1994264922

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{919}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 4406814720

約数和(自身を除く): 2412549798

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 647, 919, 1118, 1294, 1677, 1838, 1941, 2757, 3354, 3882, 5514, 8411, 11947, 16822, 23894, 25233, 27821, 35841, 39517, 50466, 55642, 71682, 79034, 83463, 118551, 166926, 237102, 361673, 513721, 594593, 723346, 1027442, 1085019, 1189186, 1541163, 1783779, 2170038, 3082326, 3567558, 7729709, 15459418, 23189127, 25567499, 46378254, 51134998, 76702497, 153404994, 332377487, 664754974, 997132461, 1994264922]

約数ペア:

[(1, 1994264922), (2, 997132461), (3, 664754974), (6, 332377487), (13, 153404994), (26, 76702497), (39, 51134998), (43, 46378254), (78, 25567499), (86, 23189127), (129, 15459418), (258, 7729709), (559, 3567558), (647, 3082326), (919, 2170038), (1118, 1783779), (1294, 1541163), (1677, 1189186), (1838, 1085019), (1941, 1027442), (2757, 723346), (3354, 594593), (3882, 513721), (5514, 361673), (8411, 237102), (11947, 166926), (16822, 118551), (23894, 83463), (25233, 79034), (27821, 71682), (35841, 55642), (39517, 50466)]