81718130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3257}}^1$

素因数の和:3470

約数の個数: 32

約数和(自身を含む): 159277104

約数和(自身を除く): 77558974

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 3257, 5018, 6514, 12545, 16285, 25090, 32570, 42341, 84682, 211705, 423410, 628601, 1257202, 3143005, 6286010, 8171813, 16343626, 40859065, 81718130]

約数ペア:

[(1, 81718130), (2, 40859065), (5, 16343626), (10, 8171813), (13, 6286010), (26, 3143005), (65, 1257202), (130, 628601), (193, 423410), (386, 211705), (965, 84682), (1930, 42341), (2509, 32570), (3257, 25090), (5018, 16285), (6514, 12545)]