28626910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1303}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 55863360

約数和(自身を除く): 27236450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1303, 1690, 2197, 2606, 4394, 6515, 10985, 13030, 16939, 21970, 33878, 84695, 169390, 220207, 440414, 1101035, 2202070, 2862691, 5725382, 14313455, 28626910]

約数ペア:

[(1, 28626910), (2, 14313455), (5, 5725382), (10, 2862691), (13, 2202070), (26, 1101035), (65, 440414), (130, 220207), (169, 169390), (338, 84695), (845, 33878), (1303, 21970), (1690, 16939), (2197, 13030), (2606, 10985), (4394, 6515)]