80971388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{4051}}^1$

素因数の和:4337

約数の個数: 24

約数和(自身を含む): 149761920

約数和(自身を除く): 68790532

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 1052, 4051, 4997, 8102, 9994, 16204, 19988, 76969, 153938, 307876, 1065413, 2130826, 4261652, 20242847, 40485694, 80971388]

約数ペア:

[(1, 80971388), (2, 40485694), (4, 20242847), (19, 4261652), (38, 2130826), (76, 1065413), (263, 307876), (526, 153938), (1052, 76969), (4051, 19988), (4997, 16204), (8102, 9994)]