68974997

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 93844800

約数和(自身を除く): 24869803

約数列:

[1, 7, 13, 19, 41, 49, 91, 133, 139, 247, 287, 533, 637, 779, 931, 973, 1729, 1807, 2009, 2641, 3731, 5453, 5699, 6811, 10127, 12103, 12649, 18487, 26117, 34333, 38171, 39893, 70889, 74087, 88543, 108281, 129409, 240331, 279251, 496223, 518609, 757967, 1407653, 1682317, 3630263, 5305769, 9853571, 68974997]

約数ペア:

[(1, 68974997), (7, 9853571), (13, 5305769), (19, 3630263), (41, 1682317), (49, 1407653), (91, 757967), (133, 518609), (139, 496223), (247, 279251), (287, 240331), (533, 129409), (637, 108281), (779, 88543), (931, 74087), (973, 70889), (1729, 39893), (1807, 38171), (2009, 34333), (2641, 26117), (3731, 18487), (5453, 12649), (5699, 12103), (6811, 10127)]