156731315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 216590976

約数和(自身を除く): 59859661

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 533, 943, 1495, 2557, 2665, 4715, 12259, 12785, 33241, 58811, 61295, 104837, 166205, 294055, 524185, 764543, 1362881, 2411251, 3822715, 6814405, 12056255, 31346263, 156731315]

約数ペア:

[(1, 156731315), (5, 31346263), (13, 12056255), (23, 6814405), (41, 3822715), (65, 2411251), (115, 1362881), (205, 764543), (299, 524185), (533, 294055), (943, 166205), (1495, 104837), (2557, 61295), (2665, 58811), (4715, 33241), (12259, 12785)]