28256410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31051}}^1$

素因数の和:31078

約数の個数: 32

約数和(自身を含む): 62600832

約数和(自身を除く): 34344422

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31051, 62102, 155255, 217357, 310510, 403663, 434714, 807326, 1086785, 2018315, 2173570, 2825641, 4036630, 5651282, 14128205, 28256410]

約数ペア:

[(1, 28256410), (2, 14128205), (5, 5651282), (7, 4036630), (10, 2825641), (13, 2173570), (14, 2018315), (26, 1086785), (35, 807326), (65, 434714), (70, 403663), (91, 310510), (130, 217357), (182, 155255), (455, 62102), (910, 31051)]