1397431038

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 2984509440

約数和(自身を除く): 1587078402

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 127, 254, 263, 367, 381, 526, 734, 762, 789, 1101, 1578, 2202, 2413, 4826, 4997, 6973, 7239, 9994, 13946, 14478, 14991, 20919, 29982, 33401, 41838, 46609, 66802, 93218, 96521, 100203, 139827, 193042, 200406, 279654, 289563, 579126, 634619, 885571, 1269238, 1771142, 1833899, 1903857, 2656713, 3667798, 3807714, 5313426, 5501697, 11003394, 12258167, 24516334, 36774501, 73549002, 232905173, 465810346, 698715519, 1397431038]

約数ペア:

[(1, 1397431038), (2, 698715519), (3, 465810346), (6, 232905173), (19, 73549002), (38, 36774501), (57, 24516334), (114, 12258167), (127, 11003394), (254, 5501697), (263, 5313426), (367, 3807714), (381, 3667798), (526, 2656713), (734, 1903857), (762, 1833899), (789, 1771142), (1101, 1269238), (1578, 885571), (2202, 634619), (2413, 579126), (4826, 289563), (4997, 279654), (6973, 200406), (7239, 193042), (9994, 139827), (13946, 100203), (14478, 96521), (14991, 93218), (20919, 66802), (29982, 46609), (33401, 41838)]