428909405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5351}}^1$

素因数の和:5437

約数の個数: 32

約数和(自身を含む): 582640128

約数和(自身を除く): 153730723

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 3485, 4715, 5351, 16031, 26755, 80155, 90967, 123073, 219391, 454835, 615365, 1096955, 2092241, 3729647, 5045993, 10461205, 18648235, 25229965, 85781881, 428909405]

約数ペア:

[(1, 428909405), (5, 85781881), (17, 25229965), (23, 18648235), (41, 10461205), (85, 5045993), (115, 3729647), (205, 2092241), (391, 1096955), (697, 615365), (943, 454835), (1955, 219391), (3485, 123073), (4715, 90967), (5351, 80155), (16031, 26755)]