78487970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23017}}^1$

素因数の和:23066

約数の個数: 32

約数和(自身を含む): 159100416

約数和(自身を除く): 80612446

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 23017, 46034, 115085, 230170, 253187, 506374, 713527, 1265935, 1427054, 2531870, 3567635, 7135270, 7848797, 15697594, 39243985, 78487970]

約数ペア:

[(1, 78487970), (2, 39243985), (5, 15697594), (10, 7848797), (11, 7135270), (22, 3567635), (31, 2531870), (55, 1427054), (62, 1265935), (110, 713527), (155, 506374), (310, 253187), (341, 230170), (682, 115085), (1705, 46034), (3410, 23017)]