163558045

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 229248000

約数和(自身を除く): 65689955

約数列:

[1, 5, 7, 35, 79, 149, 395, 397, 553, 745, 1043, 1985, 2765, 2779, 5215, 11771, 13895, 31363, 58855, 59153, 82397, 156815, 219541, 295765, 411985, 414071, 1097705, 2070355, 4673087, 23365435, 32711609, 163558045]

約数ペア:

[(1, 163558045), (5, 32711609), (7, 23365435), (35, 4673087), (79, 2070355), (149, 1097705), (395, 414071), (397, 411985), (553, 295765), (745, 219541), (1043, 156815), (1985, 82397), (2765, 59153), (2779, 58855), (5215, 31363), (11771, 13895)]