40999478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 75841920

約数和(自身を除く): 34842442

約数列:

[1, 2, 13, 17, 23, 26, 34, 37, 46, 74, 109, 218, 221, 299, 391, 442, 481, 598, 629, 782, 851, 962, 1258, 1417, 1702, 1853, 2507, 2834, 3706, 4033, 5014, 5083, 8066, 8177, 10166, 11063, 14467, 16354, 22126, 24089, 28934, 32591, 42619, 48178, 52429, 65182, 68561, 85238, 92759, 104858, 137122, 185518, 188071, 376142, 554047, 891293, 1108094, 1205867, 1576903, 1782586, 2411734, 3153806, 20499739, 40999478]

約数ペア:

[(1, 40999478), (2, 20499739), (13, 3153806), (17, 2411734), (23, 1782586), (26, 1576903), (34, 1205867), (37, 1108094), (46, 891293), (74, 554047), (109, 376142), (218, 188071), (221, 185518), (299, 137122), (391, 104858), (442, 92759), (481, 85238), (598, 68561), (629, 65182), (782, 52429), (851, 48178), (962, 42619), (1258, 32591), (1417, 28934), (1702, 24089), (1853, 22126), (2507, 16354), (2834, 14467), (3706, 11063), (4033, 10166), (5014, 8177), (5083, 8066)]