203421845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 276618240

約数和(自身を除く): 73196395

約数列:

[1, 5, 11, 31, 55, 155, 229, 341, 521, 1145, 1705, 2519, 2605, 5731, 7099, 12595, 16151, 28655, 35495, 78089, 80755, 119309, 177661, 390445, 596545, 888305, 1312399, 3698579, 6561995, 18492895, 40684369, 203421845]

約数ペア:

[(1, 203421845), (5, 40684369), (11, 18492895), (31, 6561995), (55, 3698579), (155, 1312399), (229, 888305), (341, 596545), (521, 390445), (1145, 177661), (1705, 119309), (2519, 80755), (2605, 78089), (5731, 35495), (7099, 28655), (12595, 16151)]