1398440752

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 2895203584

約数和(自身を除く): 1496762832

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 181, 248, 296, 362, 421, 496, 592, 724, 842, 1147, 1448, 1684, 2294, 2896, 3368, 4588, 5611, 6697, 6736, 9176, 11222, 13051, 13394, 15577, 18352, 22444, 26102, 26788, 31154, 44888, 52204, 53576, 62308, 76201, 89776, 104408, 107152, 124616, 152402, 207607, 208816, 249232, 304804, 415214, 482887, 609608, 830428, 965774, 1219216, 1660856, 1931548, 2362231, 2819437, 3321712, 3863096, 4724462, 5638874, 7726192, 9448924, 11277748, 18897848, 22555496, 37795696, 45110992, 87402547, 174805094, 349610188, 699220376, 1398440752]

約数ペア:

[(1, 1398440752), (2, 699220376), (4, 349610188), (8, 174805094), (16, 87402547), (31, 45110992), (37, 37795696), (62, 22555496), (74, 18897848), (124, 11277748), (148, 9448924), (181, 7726192), (248, 5638874), (296, 4724462), (362, 3863096), (421, 3321712), (496, 2819437), (592, 2362231), (724, 1931548), (842, 1660856), (1147, 1219216), (1448, 965774), (1684, 830428), (2294, 609608), (2896, 482887), (3368, 415214), (4588, 304804), (5611, 249232), (6697, 208816), (6736, 207607), (9176, 152402), (11222, 124616), (13051, 107152), (13394, 104408), (15577, 89776), (18352, 76201), (22444, 62308), (26102, 53576), (26788, 52204), (31154, 44888)]