258560944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{264919}}^1$

素因数の和:264988

約数の個数: 20

約数和(自身を含む): 509176240

約数和(自身を除く): 250615296

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 264919, 529838, 1059676, 2119352, 4238704, 16160059, 32320118, 64640236, 129280472, 258560944]

約数ペア:

[(1, 258560944), (2, 129280472), (4, 64640236), (8, 32320118), (16, 16160059), (61, 4238704), (122, 2119352), (244, 1059676), (488, 529838), (976, 264919)]