1831288319

素因数分解:

$7^4\times {\mathrm{179}}^1\times {\mathrm{4261}}^1$

素因数の和:4468

約数の個数: 20

約数和(自身を含む): 2148815160

約数和(自身を除く): 317526841

約数列:

[1, 7, 49, 179, 343, 1253, 2401, 4261, 8771, 29827, 61397, 208789, 429779, 762719, 1461523, 5339033, 10230661, 37373231, 261612617, 1831288319]

約数ペア:

[(1, 1831288319), (7, 261612617), (49, 37373231), (179, 10230661), (343, 5339033), (1253, 1461523), (2401, 762719), (4261, 429779), (8771, 208789), (29827, 61397)]