399989616

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{7723}}^1$

素因数の和:7830

約数の個数: 80

約数和(自身を含む): 1126344576

約数和(自身を除く): 726354960

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 83, 104, 156, 166, 208, 249, 312, 332, 498, 624, 664, 996, 1079, 1328, 1992, 2158, 3237, 3984, 4316, 6474, 7723, 8632, 12948, 15446, 17264, 23169, 25896, 30892, 46338, 51792, 61784, 92676, 100399, 123568, 185352, 200798, 301197, 370704, 401596, 602394, 641009, 803192, 1204788, 1282018, 1606384, 1923027, 2409576, 2564036, 3846054, 4819152, 5128072, 7692108, 8333117, 10256144, 15384216, 16666234, 24999351, 30768432, 33332468, 49998702, 66664936, 99997404, 133329872, 199994808, 399989616]

約数ペア:

[(1, 399989616), (2, 199994808), (3, 133329872), (4, 99997404), (6, 66664936), (8, 49998702), (12, 33332468), (13, 30768432), (16, 24999351), (24, 16666234), (26, 15384216), (39, 10256144), (48, 8333117), (52, 7692108), (78, 5128072), (83, 4819152), (104, 3846054), (156, 2564036), (166, 2409576), (208, 1923027), (249, 1606384), (312, 1282018), (332, 1204788), (498, 803192), (624, 641009), (664, 602394), (996, 401596), (1079, 370704), (1328, 301197), (1992, 200798), (2158, 185352), (3237, 123568), (3984, 100399), (4316, 92676), (6474, 61784), (7723, 51792), (8632, 46338), (12948, 30892), (15446, 25896), (17264, 23169)]