201644615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 257789952

約数和(自身を除く): 56145337

約数列:

[1, 5, 31, 71, 73, 155, 251, 355, 365, 1255, 2201, 2263, 5183, 7781, 11005, 11315, 17821, 18323, 25915, 38905, 89105, 91615, 160673, 552451, 568013, 803365, 1300933, 2762255, 2840065, 6504665, 40328923, 201644615]

約数ペア:

[(1, 201644615), (5, 40328923), (31, 6504665), (71, 2840065), (73, 2762255), (155, 1300933), (251, 803365), (355, 568013), (365, 552451), (1255, 160673), (2201, 91615), (2263, 89105), (5183, 38905), (7781, 25915), (11005, 18323), (11315, 17821)]