28285164

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 74343360

約数和(自身を除く): 46058196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 73, 94, 141, 146, 188, 219, 229, 282, 292, 423, 438, 458, 564, 657, 687, 846, 876, 916, 1314, 1374, 1692, 2061, 2628, 2748, 3431, 4122, 6862, 8244, 10293, 10763, 13724, 16717, 20586, 21526, 30879, 32289, 33434, 41172, 43052, 50151, 61758, 64578, 66868, 96867, 100302, 123516, 129156, 150453, 193734, 200604, 300906, 387468, 601812, 785699, 1571398, 2357097, 3142796, 4714194, 7071291, 9428388, 14142582, 28285164]

約数ペア:

[(1, 28285164), (2, 14142582), (3, 9428388), (4, 7071291), (6, 4714194), (9, 3142796), (12, 2357097), (18, 1571398), (36, 785699), (47, 601812), (73, 387468), (94, 300906), (141, 200604), (146, 193734), (188, 150453), (219, 129156), (229, 123516), (282, 100302), (292, 96867), (423, 66868), (438, 64578), (458, 61758), (564, 50151), (657, 43052), (687, 41172), (846, 33434), (876, 32289), (916, 30879), (1314, 21526), (1374, 20586), (1692, 16717), (2061, 13724), (2628, 10763), (2748, 10293), (3431, 8244), (4122, 6862)]