55961890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{42719}}^1$

素因数の和:42857

約数の個数: 16

約数和(自身を含む): 101502720

約数和(自身を除く): 45540830

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 42719, 85438, 213595, 427190, 5596189, 11192378, 27980945, 55961890]

約数ペア:

[(1, 55961890), (2, 27980945), (5, 11192378), (10, 5596189), (131, 427190), (262, 213595), (655, 85438), (1310, 42719)]