25121656

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 57600000

約数和(自身を除く): 32478344

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 499, 812, 868, 899, 998, 1624, 1736, 1798, 1996, 3493, 3596, 3992, 6293, 6986, 7192, 12586, 13972, 14471, 15469, 25172, 27944, 28942, 30938, 50344, 57884, 61876, 101297, 108283, 115768, 123752, 202594, 216566, 405188, 433132, 448601, 810376, 866264, 897202, 1794404, 3140207, 3588808, 6280414, 12560828, 25121656]

約数ペア:

[(1, 25121656), (2, 12560828), (4, 6280414), (7, 3588808), (8, 3140207), (14, 1794404), (28, 897202), (29, 866264), (31, 810376), (56, 448601), (58, 433132), (62, 405188), (116, 216566), (124, 202594), (203, 123752), (217, 115768), (232, 108283), (248, 101297), (406, 61876), (434, 57884), (499, 50344), (812, 30938), (868, 28942), (899, 27944), (998, 25172), (1624, 15469), (1736, 14471), (1798, 13972), (1996, 12586), (3493, 7192), (3596, 6986), (3992, 6293)]