66256428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 180928944

約数和(自身を除く): 114672516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 281, 294, 401, 562, 588, 802, 843, 1124, 1203, 1604, 1686, 1967, 2406, 2807, 3372, 3934, 4812, 5614, 5901, 7868, 8421, 11228, 11802, 13769, 16842, 19649, 23604, 27538, 33684, 39298, 41307, 55076, 58947, 78596, 82614, 112681, 117894, 165228, 225362, 235788, 338043, 450724, 676086, 788767, 1352172, 1577534, 2366301, 3155068, 4732602, 5521369, 9465204, 11042738, 16564107, 22085476, 33128214, 66256428]

約数ペア:

[(1, 66256428), (2, 33128214), (3, 22085476), (4, 16564107), (6, 11042738), (7, 9465204), (12, 5521369), (14, 4732602), (21, 3155068), (28, 2366301), (42, 1577534), (49, 1352172), (84, 788767), (98, 676086), (147, 450724), (196, 338043), (281, 235788), (294, 225362), (401, 165228), (562, 117894), (588, 112681), (802, 82614), (843, 78596), (1124, 58947), (1203, 55076), (1604, 41307), (1686, 39298), (1967, 33684), (2406, 27538), (2807, 23604), (3372, 19649), (3934, 16842), (4812, 13769), (5614, 11802), (5901, 11228), (7868, 8421)]