81167796

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 213368064

約数和(自身を除く): 132200268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 257, 279, 283, 372, 514, 558, 566, 771, 849, 1028, 1116, 1132, 1542, 1698, 2313, 2547, 3084, 3396, 4626, 5094, 7967, 8773, 9252, 10188, 15934, 17546, 23901, 26319, 31868, 35092, 47802, 52638, 71703, 72731, 78957, 95604, 105276, 143406, 145462, 157914, 218193, 286812, 290924, 315828, 436386, 654579, 872772, 1309158, 2254661, 2618316, 4509322, 6763983, 9018644, 13527966, 20291949, 27055932, 40583898, 81167796]

約数ペア:

[(1, 81167796), (2, 40583898), (3, 27055932), (4, 20291949), (6, 13527966), (9, 9018644), (12, 6763983), (18, 4509322), (31, 2618316), (36, 2254661), (62, 1309158), (93, 872772), (124, 654579), (186, 436386), (257, 315828), (279, 290924), (283, 286812), (372, 218193), (514, 157914), (558, 145462), (566, 143406), (771, 105276), (849, 95604), (1028, 78957), (1116, 72731), (1132, 71703), (1542, 52638), (1698, 47802), (2313, 35092), (2547, 31868), (3084, 26319), (3396, 23901), (4626, 17546), (5094, 15934), (7967, 10188), (8773, 9252)]