156989090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{119839}}^1$

素因数の和:119977

約数の個数: 16

約数和(自身を含む): 284739840

約数和(自身を除く): 127750750

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 119839, 239678, 599195, 1198390, 15698909, 31397818, 78494545, 156989090]

約数ペア:

[(1, 156989090), (2, 78494545), (5, 31397818), (10, 15698909), (131, 1198390), (262, 599195), (655, 239678), (1310, 119839)]