28513786

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 52531200

約数和(自身を除く): 24017414

約数列:

[1, 2, 7, 14, 29, 49, 58, 79, 98, 127, 158, 203, 254, 406, 553, 889, 1106, 1421, 1778, 2291, 2842, 3683, 3871, 4582, 6223, 7366, 7742, 10033, 12446, 16037, 20066, 25781, 32074, 51562, 70231, 112259, 140462, 180467, 224518, 290957, 360934, 491617, 581914, 983234, 2036699, 4073398, 14256893, 28513786]

約数ペア:

[(1, 28513786), (2, 14256893), (7, 4073398), (14, 2036699), (29, 983234), (49, 581914), (58, 491617), (79, 360934), (98, 290957), (127, 224518), (158, 180467), (203, 140462), (254, 112259), (406, 70231), (553, 51562), (889, 32074), (1106, 25781), (1421, 20066), (1778, 16037), (2291, 12446), (2842, 10033), (3683, 7742), (3871, 7366), (4582, 6223)]