128079290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{413159}}^1$

素因数の和:413197

約数の個数: 16

約数和(自身を含む): 237980160

約数和(自身を除く): 109900870

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 413159, 826318, 2065795, 4131590, 12807929, 25615858, 64039645, 128079290]

約数ペア:

[(1, 128079290), (2, 64039645), (5, 25615858), (10, 12807929), (31, 4131590), (62, 2065795), (155, 826318), (310, 413159)]