201998615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443953}}^1$

素因数の和:443978

約数の個数: 16

約数和(自身を含む): 298337088

約数和(自身を除く): 96338473

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 443953, 2219765, 3107671, 5771389, 15538355, 28856945, 40399723, 201998615]

約数ペア:

[(1, 201998615), (5, 40399723), (7, 28856945), (13, 15538355), (35, 5771389), (65, 3107671), (91, 2219765), (455, 443953)]