388660864

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 792693000

約数和(自身を除く): 404032136

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 109, 128, 178, 218, 313, 356, 436, 626, 712, 872, 1252, 1424, 1744, 2504, 2848, 3488, 5008, 5696, 6976, 9701, 10016, 11392, 13952, 19402, 20032, 27857, 34117, 38804, 40064, 55714, 68234, 77608, 111428, 136468, 155216, 222856, 272936, 310432, 445712, 545872, 620864, 891424, 1091744, 1241728, 1782848, 2183488, 3036413, 3565696, 4366976, 6072826, 12145652, 24291304, 48582608, 97165216, 194330432, 388660864]

約数ペア:

[(1, 388660864), (2, 194330432), (4, 97165216), (8, 48582608), (16, 24291304), (32, 12145652), (64, 6072826), (89, 4366976), (109, 3565696), (128, 3036413), (178, 2183488), (218, 1782848), (313, 1241728), (356, 1091744), (436, 891424), (626, 620864), (712, 545872), (872, 445712), (1252, 310432), (1424, 272936), (1744, 222856), (2504, 155216), (2848, 136468), (3488, 111428), (5008, 77608), (5696, 68234), (6976, 55714), (9701, 40064), (10016, 38804), (11392, 34117), (13952, 27857), (19402, 20032)]