15511990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7019}}^1$

素因数の和:7056

約数の個数: 32

約数和(自身を含む): 31842720

約数和(自身を除く): 16330730

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 7019, 14038, 35095, 70190, 91247, 119323, 182494, 238646, 456235, 596615, 912470, 1193230, 1551199, 3102398, 7755995, 15511990]

約数ペア:

[(1, 15511990), (2, 7755995), (5, 3102398), (10, 1551199), (13, 1193230), (17, 912470), (26, 596615), (34, 456235), (65, 238646), (85, 182494), (130, 119323), (170, 91247), (221, 70190), (442, 35095), (1105, 14038), (2210, 7019)]