81326502

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{587}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 181621440

約数和(自身を除く): 100294938

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 179, 258, 358, 387, 537, 587, 774, 1074, 1174, 1611, 1761, 3222, 3522, 5283, 7697, 10566, 15394, 23091, 25241, 46182, 50482, 69273, 75723, 105073, 138546, 151446, 210146, 227169, 315219, 454338, 630438, 945657, 1891314, 4518139, 9036278, 13554417, 27108834, 40663251, 81326502]

約数ペア:

[(1, 81326502), (2, 40663251), (3, 27108834), (6, 13554417), (9, 9036278), (18, 4518139), (43, 1891314), (86, 945657), (129, 630438), (179, 454338), (258, 315219), (358, 227169), (387, 210146), (537, 151446), (587, 138546), (774, 105073), (1074, 75723), (1174, 69273), (1611, 50482), (1761, 46182), (3222, 25241), (3522, 23091), (5283, 15394), (7697, 10566)]