3939130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 7724304

約数和(自身を除く): 3785174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 193, 314, 386, 785, 965, 1570, 1930, 2041, 2509, 4082, 5018, 10205, 12545, 20410, 25090, 30301, 60602, 151505, 303010, 393913, 787826, 1969565, 3939130]

約数ペア:

[(1, 3939130), (2, 1969565), (5, 787826), (10, 393913), (13, 303010), (26, 151505), (65, 60602), (130, 30301), (157, 25090), (193, 20410), (314, 12545), (386, 10205), (785, 5018), (965, 4082), (1570, 2509), (1930, 2041)]