278435352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{892421}}^1$

素因数の和:892443

約数の個数: 32

約数和(自身を含む): 749634480

約数和(自身を除く): 471199128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 892421, 1784842, 2677263, 3569684, 5354526, 7139368, 10709052, 11601473, 21418104, 23202946, 34804419, 46405892, 69608838, 92811784, 139217676, 278435352]

約数ペア:

[(1, 278435352), (2, 139217676), (3, 92811784), (4, 69608838), (6, 46405892), (8, 34804419), (12, 23202946), (13, 21418104), (24, 11601473), (26, 10709052), (39, 7139368), (52, 5354526), (78, 3569684), (104, 2677263), (156, 1784842), (312, 892421)]