66689810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1931

約数の個数: 64

約数和(自身を含む): 146033280

約数和(自身を除く): 79343470

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 646, 935, 1045, 1615, 1870, 1877, 2090, 3230, 3553, 3754, 7106, 9385, 17765, 18770, 20647, 31909, 35530, 35663, 41294, 63818, 71326, 103235, 159545, 178315, 206470, 319090, 350999, 356630, 392293, 606271, 701998, 784586, 1212542, 1754995, 1961465, 3031355, 3509990, 3922930, 6062710, 6668981, 13337962, 33344905, 66689810]

約数ペア:

[(1, 66689810), (2, 33344905), (5, 13337962), (10, 6668981), (11, 6062710), (17, 3922930), (19, 3509990), (22, 3031355), (34, 1961465), (38, 1754995), (55, 1212542), (85, 784586), (95, 701998), (110, 606271), (170, 392293), (187, 356630), (190, 350999), (209, 319090), (323, 206470), (374, 178315), (418, 159545), (646, 103235), (935, 71326), (1045, 63818), (1615, 41294), (1870, 35663), (1877, 35530), (2090, 31909), (3230, 20647), (3553, 18770), (3754, 17765), (7106, 9385)]