2155177724

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1\times {\mathrm{2657}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 4393992960

約数和(自身を除く): 2238815236

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 491, 826, 982, 1652, 1964, 2657, 3437, 5314, 6874, 10628, 13748, 18599, 28969, 37198, 57938, 74396, 115876, 156763, 202783, 313526, 405566, 627052, 811132, 1097341, 1304587, 2194682, 2609174, 4389364, 5218348, 9132109, 18264218, 36528436, 76970633, 153941266, 307882532, 538794431, 1077588862, 2155177724]

約数ペア:

[(1, 2155177724), (2, 1077588862), (4, 538794431), (7, 307882532), (14, 153941266), (28, 76970633), (59, 36528436), (118, 18264218), (236, 9132109), (413, 5218348), (491, 4389364), (826, 2609174), (982, 2194682), (1652, 1304587), (1964, 1097341), (2657, 811132), (3437, 627052), (5314, 405566), (6874, 313526), (10628, 202783), (13748, 156763), (18599, 115876), (28969, 74396), (37198, 57938)]