263947398

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307631}}^1$

素因数の和:307660

約数の個数: 32

約数和(自身を含む): 620186112

約数和(自身を除く): 356238714

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 307631, 615262, 922893, 1845786, 3383941, 3999203, 6767882, 7998406, 10151823, 11997609, 20303646, 23995218, 43991233, 87982466, 131973699, 263947398]

約数ペア:

[(1, 263947398), (2, 131973699), (3, 87982466), (6, 43991233), (11, 23995218), (13, 20303646), (22, 11997609), (26, 10151823), (33, 7998406), (39, 6767882), (66, 3999203), (78, 3383941), (143, 1845786), (286, 922893), (429, 615262), (858, 307631)]