30887815

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11171}}^1$

素因数の和:11262

約数の個数: 16

約数和(自身を含む): 42900480

約数和(自身を除く): 12012665

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 11171, 55855, 78197, 390985, 882509, 4412545, 6177563, 30887815]

約数ペア:

[(1, 30887815), (5, 6177563), (7, 4412545), (35, 882509), (79, 390985), (395, 78197), (553, 55855), (2765, 11171)]