2013121495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{13171}}^1$

素因数の和:13591

約数の個数: 32

約数和(自身を含む): 3019654656

約数和(自身を除く): 1006533161

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 397, 1985, 2779, 4367, 13171, 13895, 21835, 30569, 65855, 92197, 144881, 152845, 460985, 724405, 1014167, 5070835, 5228887, 26144435, 36602209, 57517757, 183011045, 287588785, 402624299, 2013121495]

約数ペア:

[(1, 2013121495), (5, 402624299), (7, 287588785), (11, 183011045), (35, 57517757), (55, 36602209), (77, 26144435), (385, 5228887), (397, 5070835), (1985, 1014167), (2779, 724405), (4367, 460985), (13171, 152845), (13895, 144881), (21835, 92197), (30569, 65855)]