28661605

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{15451}}^1$

素因数の和:15516

約数の個数: 16

約数和(自身を含む): 40051584

約数和(自身を除く): 11389979

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 15451, 77255, 108157, 540785, 818903, 4094515, 5732321, 28661605]

約数ペア:

[(1, 28661605), (5, 5732321), (7, 4094515), (35, 818903), (53, 540785), (265, 108157), (371, 77255), (1855, 15451)]