31078216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1979}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 63201600

約数和(自身を除く): 32123384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1963, 1979, 3926, 3958, 7852, 7916, 15704, 15832, 25727, 51454, 102908, 205816, 298829, 597658, 1195316, 2390632, 3884777, 7769554, 15539108, 31078216]

約数ペア:

[(1, 31078216), (2, 15539108), (4, 7769554), (8, 3884777), (13, 2390632), (26, 1195316), (52, 597658), (104, 298829), (151, 205816), (302, 102908), (604, 51454), (1208, 25727), (1963, 15832), (1979, 15704), (3926, 7916), (3958, 7852)]