201097175

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 255318480

約数和(自身を除く): 54221305

約数列:

[1, 5, 25, 61, 163, 305, 809, 815, 1525, 4045, 4075, 9943, 20225, 49349, 49715, 131867, 246745, 248575, 659335, 1233725, 3296675, 8043887, 40219435, 201097175]

約数ペア:

[(1, 201097175), (5, 40219435), (25, 8043887), (61, 3296675), (163, 1233725), (305, 659335), (809, 248575), (815, 246745), (1525, 131867), (4045, 49715), (4075, 49349), (9943, 20225)]