399578790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23827}}^1$

素因数の和:23893

約数の個数: 64

約数和(自身を含む): 1056819456

約数和(自身を除く): 657240666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 5590, 8385, 16770, 23827, 47654, 71481, 119135, 142962, 238270, 309751, 357405, 619502, 714810, 929253, 1024561, 1548755, 1858506, 2049122, 3073683, 3097510, 4646265, 5122805, 6147366, 9292530, 10245610, 13319293, 15368415, 26638586, 30736830, 39957879, 66596465, 79915758, 133192930, 199789395, 399578790]

約数ペア:

[(1, 399578790), (2, 199789395), (3, 133192930), (5, 79915758), (6, 66596465), (10, 39957879), (13, 30736830), (15, 26638586), (26, 15368415), (30, 13319293), (39, 10245610), (43, 9292530), (65, 6147366), (78, 5122805), (86, 4646265), (129, 3097510), (130, 3073683), (195, 2049122), (215, 1858506), (258, 1548755), (390, 1024561), (430, 929253), (559, 714810), (645, 619502), (1118, 357405), (1290, 309751), (1677, 238270), (2795, 142962), (3354, 119135), (5590, 71481), (8385, 47654), (16770, 23827)]