66675978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 72

約数和(自身を含む): 157862016

約数和(自身を除く): 91186038

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 331, 342, 361, 558, 589, 662, 722, 993, 1083, 1178, 1767, 1986, 2166, 2979, 3249, 3534, 5301, 5958, 6289, 6498, 10261, 10602, 11191, 12578, 18867, 20522, 22382, 30783, 33573, 37734, 56601, 61566, 67146, 92349, 100719, 113202, 119491, 184698, 194959, 201438, 238982, 358473, 389918, 584877, 716946, 1075419, 1169754, 1754631, 2150838, 3509262, 3704221, 7408442, 11112663, 22225326, 33337989, 66675978]

約数ペア:

[(1, 66675978), (2, 33337989), (3, 22225326), (6, 11112663), (9, 7408442), (18, 3704221), (19, 3509262), (31, 2150838), (38, 1754631), (57, 1169754), (62, 1075419), (93, 716946), (114, 584877), (171, 389918), (186, 358473), (279, 238982), (331, 201438), (342, 194959), (361, 184698), (558, 119491), (589, 113202), (662, 100719), (722, 92349), (993, 67146), (1083, 61566), (1178, 56601), (1767, 37734), (1986, 33573), (2166, 30783), (2979, 22382), (3249, 20522), (3534, 18867), (5301, 12578), (5958, 11191), (6289, 10602), (6498, 10261)]