642681088

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 1582350336

約数和(自身を除く): 939669248

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 92, 112, 124, 128, 161, 184, 217, 224, 248, 256, 322, 368, 434, 448, 496, 503, 644, 713, 736, 868, 896, 992, 1006, 1288, 1426, 1472, 1736, 1792, 1984, 2012, 2576, 2852, 2944, 3472, 3521, 3968, 4024, 4991, 5152, 5704, 5888, 6944, 7042, 7936, 8048, 9982, 10304, 11408, 11569, 13888, 14084, 15593, 16096, 19964, 20608, 22816, 23138, 27776, 28168, 31186, 32192, 39928, 41216, 45632, 46276, 55552, 56336, 62372, 64384, 79856, 80983, 91264, 92552, 109151, 112672, 124744, 128768, 159712, 161966, 182528, 185104, 218302, 225344, 249488, 319424, 323932, 358639, 370208, 436604, 450688, 498976, 638848, 647864, 717278, 740416, 873208, 901376, 997952, 1277696, 1295728, 1434556, 1480832, 1746416, 1995904, 2510473, 2591456, 2869112, 2961664, 3492832, 3991808, 5020946, 5182912, 5738224, 6985664, 10041892, 10365824, 11476448, 13971328, 20083784, 20731648, 22952896, 27942656, 40167568, 45905792, 80335136, 91811584, 160670272, 321340544, 642681088]

約数ペア:

[(1, 642681088), (2, 321340544), (4, 160670272), (7, 91811584), (8, 80335136), (14, 45905792), (16, 40167568), (23, 27942656), (28, 22952896), (31, 20731648), (32, 20083784), (46, 13971328), (56, 11476448), (62, 10365824), (64, 10041892), (92, 6985664), (112, 5738224), (124, 5182912), (128, 5020946), (161, 3991808), (184, 3492832), (217, 2961664), (224, 2869112), (248, 2591456), (256, 2510473), (322, 1995904), (368, 1746416), (434, 1480832), (448, 1434556), (496, 1295728), (503, 1277696), (644, 997952), (713, 901376), (736, 873208), (868, 740416), (896, 717278), (992, 647864), (1006, 638848), (1288, 498976), (1426, 450688), (1472, 436604), (1736, 370208), (1792, 358639), (1984, 323932), (2012, 319424), (2576, 249488), (2852, 225344), (2944, 218302), (3472, 185104), (3521, 182528), (3968, 161966), (4024, 159712), (4991, 128768), (5152, 124744), (5704, 112672), (5888, 109151), (6944, 92552), (7042, 91264), (7936, 80983), (8048, 79856), (9982, 64384), (10304, 62372), (11408, 56336), (11569, 55552), (13888, 46276), (14084, 45632), (15593, 41216), (16096, 39928), (19964, 32192), (20608, 31186), (22816, 28168), (23138, 27776)]