77904218

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 147840000

約数和(自身を除く): 69935782

約数列:

[1, 2, 7, 14, 19, 38, 43, 49, 86, 98, 133, 139, 266, 278, 301, 343, 602, 686, 817, 931, 973, 1634, 1862, 1946, 2107, 2641, 4214, 5282, 5719, 5977, 6517, 6811, 11438, 11954, 13034, 13622, 14749, 18487, 29498, 36974, 40033, 41839, 47677, 80066, 83678, 95354, 113563, 129409, 227126, 258818, 280231, 292873, 560462, 585746, 794941, 905863, 1589882, 1811726, 2050111, 4100222, 5564587, 11129174, 38952109, 77904218]

約数ペア:

[(1, 77904218), (2, 38952109), (7, 11129174), (14, 5564587), (19, 4100222), (38, 2050111), (43, 1811726), (49, 1589882), (86, 905863), (98, 794941), (133, 585746), (139, 560462), (266, 292873), (278, 280231), (301, 258818), (343, 227126), (602, 129409), (686, 113563), (817, 95354), (931, 83678), (973, 80066), (1634, 47677), (1862, 41839), (1946, 40033), (2107, 36974), (2641, 29498), (4214, 18487), (5282, 14749), (5719, 13622), (5977, 13034), (6517, 11954), (6811, 11438)]