87408475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 143133696

約数和(自身を除く): 55725221

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 385, 425, 595, 935, 1309, 1925, 2671, 2975, 4675, 6545, 13355, 18697, 29381, 32725, 45407, 66775, 93485, 146905, 205667, 227035, 317849, 467425, 499477, 734525, 1028335, 1135175, 1589245, 2497385, 3496339, 5141675, 7946225, 12486925, 17481695, 87408475]

約数ペア:

[(1, 87408475), (5, 17481695), (7, 12486925), (11, 7946225), (17, 5141675), (25, 3496339), (35, 2497385), (55, 1589245), (77, 1135175), (85, 1028335), (119, 734525), (175, 499477), (187, 467425), (275, 317849), (385, 227035), (425, 205667), (595, 146905), (935, 93485), (1309, 66775), (1925, 45407), (2671, 32725), (2975, 29381), (4675, 18697), (6545, 13355)]