9686690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 18915120

約数和(自身を除く): 9228430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 277, 538, 554, 1345, 1385, 2690, 2770, 3497, 3601, 6994, 7202, 17485, 18005, 34970, 36010, 74513, 149026, 372565, 745130, 968669, 1937338, 4843345, 9686690]

約数ペア:

[(1, 9686690), (2, 4843345), (5, 1937338), (10, 968669), (13, 745130), (26, 372565), (65, 149026), (130, 74513), (269, 36010), (277, 34970), (538, 18005), (554, 17485), (1345, 7202), (1385, 6994), (2690, 3601), (2770, 3497)]