331354270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2548879}}^1$

素因数の和:2548899

約数の個数: 16

約数和(自身を含む): 642317760

約数和(自身を除く): 310963490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2548879, 5097758, 12744395, 25488790, 33135427, 66270854, 165677135, 331354270]

約数ペア:

[(1, 331354270), (2, 165677135), (5, 66270854), (10, 33135427), (13, 25488790), (26, 12744395), (65, 5097758), (130, 2548879)]