201326251

素因数分解:

$7^4\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1280

約数の個数: 20

約数和(自身を含む): 238376304

約数和(自身を除く): 37050053

約数列:

[1, 7, 49, 71, 343, 497, 1181, 2401, 3479, 8267, 24353, 57869, 83851, 170471, 405083, 586957, 2835581, 4108699, 28760893, 201326251]

約数ペア:

[(1, 201326251), (7, 28760893), (49, 4108699), (71, 2835581), (343, 586957), (497, 405083), (1181, 170471), (2401, 83851), (3479, 57869), (8267, 24353)]