131726896

素因数分解:

$2^4\times 7^2\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:842

約数の個数: 60

約数和(自身を含む): 298340280

約数和(自身を除く): 166613384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 401, 419, 784, 802, 838, 1604, 1676, 2807, 2933, 3208, 3352, 5614, 5866, 6416, 6704, 11228, 11732, 19649, 20531, 22456, 23464, 39298, 41062, 44912, 46928, 78596, 82124, 157192, 164248, 168019, 314384, 328496, 336038, 672076, 1176133, 1344152, 2352266, 2688304, 4704532, 8232931, 9409064, 16465862, 18818128, 32931724, 65863448, 131726896]

約数ペア:

[(1, 131726896), (2, 65863448), (4, 32931724), (7, 18818128), (8, 16465862), (14, 9409064), (16, 8232931), (28, 4704532), (49, 2688304), (56, 2352266), (98, 1344152), (112, 1176133), (196, 672076), (392, 336038), (401, 328496), (419, 314384), (784, 168019), (802, 164248), (838, 157192), (1604, 82124), (1676, 78596), (2807, 46928), (2933, 44912), (3208, 41062), (3352, 39298), (5614, 23464), (5866, 22456), (6416, 20531), (6704, 19649), (11228, 11732)]