15278926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 26278560

約数和(自身を除く): 10999634

約数列:

[1, 2, 13, 19, 26, 38, 157, 197, 247, 314, 394, 494, 2041, 2561, 2983, 3743, 4082, 5122, 5966, 7486, 30929, 38779, 48659, 61858, 77558, 97318, 402077, 587651, 804154, 1175302, 7639463, 15278926]

約数ペア:

[(1, 15278926), (2, 7639463), (13, 1175302), (19, 804154), (26, 587651), (38, 402077), (157, 97318), (197, 77558), (247, 61858), (314, 48659), (394, 38779), (494, 30929), (2041, 7486), (2561, 5966), (2983, 5122), (3743, 4082)]