1389662404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{259459}}^1$

素因数の和:259579

約数の個数: 24

約数和(自身を含む): 2644416320

約数和(自身を除く): 1254753916

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 259459, 518918, 1037836, 3372967, 6745934, 13491868, 26724277, 53448554, 106897108, 347415601, 694831202, 1389662404]

約数ペア:

[(1, 1389662404), (2, 694831202), (4, 347415601), (13, 106897108), (26, 53448554), (52, 26724277), (103, 13491868), (206, 6745934), (412, 3372967), (1339, 1037836), (2678, 518918), (5356, 259459)]