631223488

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 168

約数和(自身を含む): 1549261824

約数和(自身を除く): 918038336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 49, 56, 62, 64, 86, 98, 112, 124, 151, 172, 196, 217, 224, 248, 301, 302, 344, 392, 434, 448, 496, 602, 604, 688, 784, 868, 992, 1057, 1204, 1208, 1333, 1376, 1519, 1568, 1736, 1984, 2107, 2114, 2408, 2416, 2666, 2752, 3038, 3136, 3472, 4214, 4228, 4681, 4816, 4832, 5332, 6076, 6493, 6944, 7399, 8428, 8456, 9331, 9362, 9632, 9664, 10664, 12152, 12986, 13888, 14798, 16856, 16912, 18662, 18724, 19264, 21328, 24304, 25972, 29596, 32767, 33712, 33824, 37324, 37448, 42656, 45451, 48608, 51944, 59192, 65317, 65534, 67424, 67648, 74648, 74896, 85312, 90902, 97216, 103888, 118384, 130634, 131068, 134848, 149296, 149792, 181804, 201283, 207776, 229369, 236768, 261268, 262136, 298592, 299584, 318157, 363608, 402566, 415552, 458738, 473536, 522536, 524272, 597184, 636314, 727216, 805132, 917476, 1045072, 1048544, 1272628, 1408981, 1454432, 1610264, 1834952, 2090144, 2097088, 2545256, 2817962, 2908864, 3220528, 3669904, 4180288, 5090512, 5635924, 6441056, 7339808, 9862867, 10181024, 11271848, 12882112, 14679616, 19725734, 20362048, 22543696, 39451468, 45087392, 78902936, 90174784, 157805872, 315611744, 631223488]

約数ペア:

[(1, 631223488), (2, 315611744), (4, 157805872), (7, 90174784), (8, 78902936), (14, 45087392), (16, 39451468), (28, 22543696), (31, 20362048), (32, 19725734), (43, 14679616), (49, 12882112), (56, 11271848), (62, 10181024), (64, 9862867), (86, 7339808), (98, 6441056), (112, 5635924), (124, 5090512), (151, 4180288), (172, 3669904), (196, 3220528), (217, 2908864), (224, 2817962), (248, 2545256), (301, 2097088), (302, 2090144), (344, 1834952), (392, 1610264), (434, 1454432), (448, 1408981), (496, 1272628), (602, 1048544), (604, 1045072), (688, 917476), (784, 805132), (868, 727216), (992, 636314), (1057, 597184), (1204, 524272), (1208, 522536), (1333, 473536), (1376, 458738), (1519, 415552), (1568, 402566), (1736, 363608), (1984, 318157), (2107, 299584), (2114, 298592), (2408, 262136), (2416, 261268), (2666, 236768), (2752, 229369), (3038, 207776), (3136, 201283), (3472, 181804), (4214, 149792), (4228, 149296), (4681, 134848), (4816, 131068), (4832, 130634), (5332, 118384), (6076, 103888), (6493, 97216), (6944, 90902), (7399, 85312), (8428, 74896), (8456, 74648), (9331, 67648), (9362, 67424), (9632, 65534), (9664, 65317), (10664, 59192), (12152, 51944), (12986, 48608), (13888, 45451), (14798, 42656), (16856, 37448), (16912, 37324), (18662, 33824), (18724, 33712), (19264, 32767), (21328, 29596), (24304, 25972)]