71549972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 143236800

約数和(自身を除く): 71686828

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 247, 278, 494, 521, 556, 988, 1042, 1807, 2084, 2641, 3614, 5282, 6773, 7228, 9899, 10564, 13546, 19798, 27092, 34333, 39596, 68666, 72419, 128687, 137332, 144838, 257374, 289676, 514748, 941447, 1375961, 1882894, 2751922, 3765788, 5503844, 17887493, 35774986, 71549972]

約数ペア:

[(1, 71549972), (2, 35774986), (4, 17887493), (13, 5503844), (19, 3765788), (26, 2751922), (38, 1882894), (52, 1375961), (76, 941447), (139, 514748), (247, 289676), (278, 257374), (494, 144838), (521, 137332), (556, 128687), (988, 72419), (1042, 68666), (1807, 39596), (2084, 34333), (2641, 27092), (3614, 19798), (5282, 13546), (6773, 10564), (7228, 9899)]