81572964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1867}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 208379136

約数和(自身を除く): 126806172

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 331, 662, 993, 1324, 1867, 1986, 3641, 3734, 3972, 5601, 7282, 7468, 10923, 11202, 14564, 20537, 21846, 22404, 41074, 43692, 61611, 82148, 123222, 246444, 617977, 1235954, 1853931, 2471908, 3707862, 6797747, 7415724, 13595494, 20393241, 27190988, 40786482, 81572964]

約数ペア:

[(1, 81572964), (2, 40786482), (3, 27190988), (4, 20393241), (6, 13595494), (11, 7415724), (12, 6797747), (22, 3707862), (33, 2471908), (44, 1853931), (66, 1235954), (132, 617977), (331, 246444), (662, 123222), (993, 82148), (1324, 61611), (1867, 43692), (1986, 41074), (3641, 22404), (3734, 21846), (3972, 20537), (5601, 14564), (7282, 11202), (7468, 10923)]