405389966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 653268000

約数和(自身を除く): 247878034

約数列:

[1, 2, 19, 38, 97, 109, 194, 218, 1009, 1843, 2018, 2071, 3686, 4142, 10573, 19171, 21146, 38342, 97873, 109981, 195746, 200887, 219962, 401774, 1859587, 2089639, 3719174, 4179278, 10668157, 21336314, 202694983, 405389966]

約数ペア:

[(1, 405389966), (2, 202694983), (19, 21336314), (38, 10668157), (97, 4179278), (109, 3719174), (194, 2089639), (218, 1859587), (1009, 401774), (1843, 219962), (2018, 200887), (2071, 195746), (3686, 109981), (4142, 97873), (10573, 38342), (19171, 21146)]