201880978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{4703}}^1$

素因数の和:4858

約数の個数: 24

約数和(自身を含む): 330559488

約数和(自身を除く): 128678510

約数列:

[1, 2, 13, 26, 127, 169, 254, 338, 1651, 3302, 4703, 9406, 21463, 42926, 61139, 122278, 597281, 794807, 1194562, 1589614, 7764653, 15529306, 100940489, 201880978]

約数ペア:

[(1, 201880978), (2, 100940489), (13, 15529306), (26, 7764653), (127, 1589614), (169, 1194562), (254, 794807), (338, 597281), (1651, 122278), (3302, 61139), (4703, 42926), (9406, 21463)]