28138690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 51978816

約数和(自身を除く): 23840126

約数列:

[1, 2, 5, 10, 61, 122, 163, 283, 305, 326, 566, 610, 815, 1415, 1630, 2830, 9943, 17263, 19886, 34526, 46129, 49715, 86315, 92258, 99430, 172630, 230645, 461290, 2813869, 5627738, 14069345, 28138690]

約数ペア:

[(1, 28138690), (2, 14069345), (5, 5627738), (10, 2813869), (61, 461290), (122, 230645), (163, 172630), (283, 99430), (305, 92258), (326, 86315), (566, 49715), (610, 46129), (815, 34526), (1415, 19886), (1630, 17263), (2830, 9943)]