217663886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30631}}^1$

素因数の和:30680

約数の個数: 32

約数和(自身を含む): 396990720

約数和(自身を除く): 179326834

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 3553, 7106, 30631, 61262, 336941, 520727, 581989, 673882, 1041454, 1163978, 5727997, 6401879, 9893813, 11455994, 12803758, 19787626, 108831943, 217663886]

約数ペア:

[(1, 217663886), (2, 108831943), (11, 19787626), (17, 12803758), (19, 11455994), (22, 9893813), (34, 6401879), (38, 5727997), (187, 1163978), (209, 1041454), (323, 673882), (374, 581989), (418, 520727), (646, 336941), (3553, 61262), (7106, 30631)]