291241990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2240323}}^1$

素因数の和:2240343

約数の個数: 16

約数和(自身を含む): 564561648

約数和(自身を除く): 273319658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2240323, 4480646, 11201615, 22403230, 29124199, 58248398, 145620995, 291241990]

約数ペア:

[(1, 291241990), (2, 145620995), (5, 58248398), (10, 29124199), (13, 22403230), (26, 11201615), (65, 4480646), (130, 2240323)]