61781990

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{11813}}^1$

素因数の和:12343

約数の個数: 16

約数和(自身を含む): 111429648

約数和(自身を除く): 49647658

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 5230, 11813, 23626, 59065, 118130, 6178199, 12356398, 30890995, 61781990]

約数ペア:

[(1, 61781990), (2, 30890995), (5, 12356398), (10, 6178199), (523, 118130), (1046, 59065), (2615, 23626), (5230, 11813)]