156721015945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{193771}}^1$

素因数の和:194353

約数の個数: 32

約数和(自身を含む): 211729238784

約数和(自身を除く): 55008222839

約数列:

[1, 5, 13, 23, 65, 115, 299, 541, 1495, 2705, 7033, 12443, 35165, 62215, 161759, 193771, 808795, 968855, 2519023, 4456733, 12595115, 22283665, 57937529, 104830111, 289687645, 524150555, 1362791443, 2411092553, 6813957215, 12055462765, 31344203189, 156721015945]

約数ペア:

[(1, 156721015945), (5, 31344203189), (13, 12055462765), (23, 6813957215), (65, 2411092553), (115, 1362791443), (299, 524150555), (541, 289687645), (1495, 104830111), (2705, 57937529), (7033, 22283665), (12443, 12595115), (35165, 4456733), (62215, 2519023), (161759, 968855), (193771, 808795)]