269243390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{3221}}^1$

素因数の和:3884

約数の個数: 32

約数和(自身を含む): 522891936

約数和(自身を除く): 253648546

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 643, 1286, 3215, 3221, 6430, 6442, 8359, 16105, 16718, 32210, 41795, 41873, 83590, 83746, 209365, 418730, 2071103, 4142206, 10355515, 20711030, 26924339, 53848678, 134621695, 269243390]

約数ペア:

[(1, 269243390), (2, 134621695), (5, 53848678), (10, 26924339), (13, 20711030), (26, 10355515), (65, 4142206), (130, 2071103), (643, 418730), (1286, 209365), (3215, 83746), (3221, 83590), (6430, 41873), (6442, 41795), (8359, 32210), (16105, 16718)]