28018956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 76846336

約数和(自身を除く): 48827380

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 151, 188, 282, 302, 329, 453, 564, 604, 658, 906, 987, 1057, 1316, 1812, 1974, 2114, 2209, 3171, 3948, 4228, 4418, 6342, 6627, 7097, 8836, 12684, 13254, 14194, 15463, 21291, 26508, 28388, 30926, 42582, 46389, 49679, 61852, 85164, 92778, 99358, 149037, 185556, 198716, 298074, 333559, 596148, 667118, 1000677, 1334236, 2001354, 2334913, 4002708, 4669826, 7004739, 9339652, 14009478, 28018956]

約数ペア:

[(1, 28018956), (2, 14009478), (3, 9339652), (4, 7004739), (6, 4669826), (7, 4002708), (12, 2334913), (14, 2001354), (21, 1334236), (28, 1000677), (42, 667118), (47, 596148), (84, 333559), (94, 298074), (141, 198716), (151, 185556), (188, 149037), (282, 99358), (302, 92778), (329, 85164), (453, 61852), (564, 49679), (604, 46389), (658, 42582), (906, 30926), (987, 28388), (1057, 26508), (1316, 21291), (1812, 15463), (1974, 14194), (2114, 13254), (2209, 12684), (3171, 8836), (3948, 7097), (4228, 6627), (4418, 6342)]