221670488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2131447}}^1$

素因数の和:2131466

約数の個数: 16

約数和(自身を含む): 447604080

約数和(自身を除く): 225933592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2131447, 4262894, 8525788, 17051576, 27708811, 55417622, 110835244, 221670488]

約数ペア:

[(1, 221670488), (2, 110835244), (4, 55417622), (8, 27708811), (13, 17051576), (26, 8525788), (52, 4262894), (104, 2131447)]