201090188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 391184640

約数和(自身を除く): 190094452

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 139, 172, 278, 556, 559, 647, 1118, 1294, 1807, 2236, 2588, 3614, 5977, 7228, 8411, 11954, 16822, 23908, 27821, 33644, 55642, 77701, 89933, 111284, 155402, 179866, 310804, 359732, 361673, 723346, 1169129, 1446692, 2338258, 3867119, 4676516, 7734238, 15468476, 50272547, 100545094, 201090188]

約数ペア:

[(1, 201090188), (2, 100545094), (4, 50272547), (13, 15468476), (26, 7734238), (43, 4676516), (52, 3867119), (86, 2338258), (139, 1446692), (172, 1169129), (278, 723346), (556, 361673), (559, 359732), (647, 310804), (1118, 179866), (1294, 155402), (1807, 111284), (2236, 89933), (2588, 77701), (3614, 55642), (5977, 33644), (7228, 27821), (8411, 23908), (11954, 16822)]