405796885

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 582966720

約数和(自身を除く): 177169835

約数列:

[1, 5, 13, 17, 41, 53, 65, 85, 169, 205, 221, 265, 533, 689, 697, 845, 901, 1105, 2173, 2197, 2665, 2873, 3445, 3485, 4505, 6929, 8957, 9061, 10865, 10985, 11713, 14365, 28249, 34645, 36941, 37349, 44785, 45305, 58565, 90077, 116441, 117793, 141245, 152269, 184705, 186745, 367237, 450385, 480233, 582205, 588965, 761345, 1531309, 1836185, 1979497, 2401165, 4774081, 6243029, 7656545, 9897485, 23870405, 31215145, 81159377, 405796885]

約数ペア:

[(1, 405796885), (5, 81159377), (13, 31215145), (17, 23870405), (41, 9897485), (53, 7656545), (65, 6243029), (85, 4774081), (169, 2401165), (205, 1979497), (221, 1836185), (265, 1531309), (533, 761345), (689, 588965), (697, 582205), (845, 480233), (901, 450385), (1105, 367237), (2173, 186745), (2197, 184705), (2665, 152269), (2873, 141245), (3445, 117793), (3485, 116441), (4505, 90077), (6929, 58565), (8957, 45305), (9061, 44785), (10865, 37349), (10985, 36941), (11713, 34645), (14365, 28249)]