28215538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1693}}^1$

素因数の和:2349

約数の個数: 16

約数和(自身を含む): 45677016

約数和(自身を除く): 17461478

約数列:

[1, 2, 13, 26, 641, 1282, 1693, 3386, 8333, 16666, 22009, 44018, 1085213, 2170426, 14107769, 28215538]

約数ペア:

[(1, 28215538), (2, 14107769), (13, 2170426), (26, 1085213), (641, 44018), (1282, 22009), (1693, 16666), (3386, 8333)]