201631690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1551013}}^1$

素因数の和:1551033

約数の個数: 16

約数和(自身を含む): 390855528

約数和(自身を除く): 189223838

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1551013, 3102026, 7755065, 15510130, 20163169, 40326338, 100815845, 201631690]

約数ペア:

[(1, 201631690), (2, 100815845), (5, 40326338), (10, 20163169), (13, 15510130), (26, 7755065), (65, 3102026), (130, 1551013)]