31997030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246131}}^1$

素因数の和:246151

約数の個数: 16

約数和(自身を含む): 62025264

約数和(自身を除く): 30028234

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 246131, 492262, 1230655, 2461310, 3199703, 6399406, 15998515, 31997030]

約数ペア:

[(1, 31997030), (2, 15998515), (5, 6399406), (10, 3199703), (13, 2461310), (26, 1230655), (65, 492262), (130, 246131)]