80787454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 145981440

約数和(自身を除く): 65193986

約数列:

[1, 2, 11, 22, 23, 43, 46, 47, 79, 86, 94, 158, 253, 473, 506, 517, 869, 946, 989, 1034, 1081, 1738, 1817, 1978, 2021, 2162, 3397, 3634, 3713, 4042, 6794, 7426, 10879, 11891, 19987, 21758, 22231, 23782, 37367, 39974, 40843, 44462, 46483, 74734, 78131, 81686, 85399, 92966, 156262, 159659, 170798, 319318, 511313, 859441, 939389, 1022626, 1718882, 1756249, 1878778, 3512498, 3672157, 7344314, 40393727, 80787454]

約数ペア:

[(1, 80787454), (2, 40393727), (11, 7344314), (22, 3672157), (23, 3512498), (43, 1878778), (46, 1756249), (47, 1718882), (79, 1022626), (86, 939389), (94, 859441), (158, 511313), (253, 319318), (473, 170798), (506, 159659), (517, 156262), (869, 92966), (946, 85399), (989, 81686), (1034, 78131), (1081, 74734), (1738, 46483), (1817, 44462), (1978, 40843), (2021, 39974), (2162, 37367), (3397, 23782), (3634, 22231), (3713, 21758), (4042, 19987), (6794, 11891), (7426, 10879)]