262641990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{673441}}^1$

素因数の和:673464

約数の個数: 32

約数和(自身を含む): 678829536

約数和(自身を除く): 416187546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 673441, 1346882, 2020323, 3367205, 4040646, 6734410, 8754733, 10101615, 17509466, 20203230, 26264199, 43773665, 52528398, 87547330, 131320995, 262641990]

約数ペア:

[(1, 262641990), (2, 131320995), (3, 87547330), (5, 52528398), (6, 43773665), (10, 26264199), (13, 20203230), (15, 17509466), (26, 10101615), (30, 8754733), (39, 6734410), (65, 4040646), (78, 3367205), (130, 2020323), (195, 1346882), (390, 673441)]