208432835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3559}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 290666880

約数和(自身を除く): 82234045

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 689, 901, 1105, 3445, 3559, 4505, 11713, 17795, 46267, 58565, 60503, 188627, 231335, 302515, 786539, 943135, 2452151, 3206659, 3932695, 12260755, 16033295, 41686567, 208432835]

約数ペア:

[(1, 208432835), (5, 41686567), (13, 16033295), (17, 12260755), (53, 3932695), (65, 3206659), (85, 2452151), (221, 943135), (265, 786539), (689, 302515), (901, 231335), (1105, 188627), (3445, 60503), (3559, 58565), (4505, 46267), (11713, 17795)]