81278028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173671}}^1$

素因数の和:173694

約数の個数: 36

約数和(自身を含む): 221258128

約数和(自身を除く): 139980100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173671, 347342, 521013, 694684, 1042026, 1563039, 2084052, 2257723, 3126078, 4515446, 6252156, 6773169, 9030892, 13546338, 20319507, 27092676, 40639014, 81278028]

約数ペア:

[(1, 81278028), (2, 40639014), (3, 27092676), (4, 20319507), (6, 13546338), (9, 9030892), (12, 6773169), (13, 6252156), (18, 4515446), (26, 3126078), (36, 2257723), (39, 2084052), (52, 1563039), (78, 1042026), (117, 694684), (156, 521013), (234, 347342), (468, 173671)]