268728265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1549}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 370288800

約数和(自身を除く): 101560535

約数列:

[1, 5, 13, 17, 65, 85, 157, 221, 785, 1105, 1549, 2041, 2669, 7745, 10205, 13345, 20137, 26333, 34697, 100685, 131665, 173485, 243193, 342329, 1215965, 1711645, 3161509, 4134281, 15807545, 20671405, 53745653, 268728265]

約数ペア:

[(1, 268728265), (5, 53745653), (13, 20671405), (17, 15807545), (65, 4134281), (85, 3161509), (157, 1711645), (221, 1215965), (785, 342329), (1105, 243193), (1549, 173485), (2041, 131665), (2669, 100685), (7745, 34697), (10205, 26333), (13345, 20137)]