39894946

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 79027200

約数和(自身を除く): 39132254

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 83, 91, 133, 139, 166, 182, 247, 266, 278, 494, 581, 973, 1079, 1162, 1577, 1729, 1807, 1946, 2158, 2641, 3154, 3458, 3614, 5282, 7553, 11039, 11537, 12649, 15106, 18487, 20501, 22078, 23074, 25298, 34333, 36974, 41002, 68666, 80759, 143507, 149981, 161518, 219203, 240331, 287014, 299962, 438406, 480662, 1049867, 1534421, 2099734, 2849639, 3068842, 5699278, 19947473, 39894946]

約数ペア:

[(1, 39894946), (2, 19947473), (7, 5699278), (13, 3068842), (14, 2849639), (19, 2099734), (26, 1534421), (38, 1049867), (83, 480662), (91, 438406), (133, 299962), (139, 287014), (166, 240331), (182, 219203), (247, 161518), (266, 149981), (278, 143507), (494, 80759), (581, 68666), (973, 41002), (1079, 36974), (1162, 34333), (1577, 25298), (1729, 23074), (1807, 22078), (1946, 20501), (2158, 18487), (2641, 15106), (3154, 12649), (3458, 11537), (3614, 11039), (5282, 7553)]