38742145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 52284960

約数和(自身を除く): 13542815

約数列:

[1, 5, 13, 37, 65, 89, 181, 185, 445, 481, 905, 1157, 2353, 2405, 3293, 5785, 6697, 11765, 16109, 16465, 33485, 42809, 80545, 87061, 209417, 214045, 435305, 596033, 1047085, 2980165, 7748429, 38742145]

約数ペア:

[(1, 38742145), (5, 7748429), (13, 2980165), (37, 1047085), (65, 596033), (89, 435305), (181, 214045), (185, 209417), (445, 87061), (481, 80545), (905, 42809), (1157, 33485), (2353, 16465), (2405, 16109), (3293, 11765), (5785, 6697)]