81177344

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 171303552

約数和(自身を除く): 90126208

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 193, 212, 248, 256, 386, 424, 496, 772, 848, 992, 1544, 1643, 1696, 1984, 3088, 3286, 3392, 3968, 5983, 6176, 6572, 6784, 7936, 10229, 11966, 12352, 13144, 13568, 20458, 23932, 24704, 26288, 40916, 47864, 49408, 52576, 81832, 95728, 105152, 163664, 191456, 210304, 317099, 327328, 382912, 420608, 634198, 654656, 765824, 1268396, 1309312, 1531648, 2536792, 2618624, 5073584, 10147168, 20294336, 40588672, 81177344]

約数ペア:

[(1, 81177344), (2, 40588672), (4, 20294336), (8, 10147168), (16, 5073584), (31, 2618624), (32, 2536792), (53, 1531648), (62, 1309312), (64, 1268396), (106, 765824), (124, 654656), (128, 634198), (193, 420608), (212, 382912), (248, 327328), (256, 317099), (386, 210304), (424, 191456), (496, 163664), (772, 105152), (848, 95728), (992, 81832), (1544, 52576), (1643, 49408), (1696, 47864), (1984, 40916), (3088, 26288), (3286, 24704), (3392, 23932), (3968, 20458), (5983, 13568), (6176, 13144), (6572, 12352), (6784, 11966), (7936, 10229)]