201398576

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{206351}}^1$

素因数の和:206420

約数の個数: 20

約数和(自身を含む): 396608544

約数和(自身を除く): 195209968

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206351, 412702, 825404, 1650808, 3301616, 12587411, 25174822, 50349644, 100699288, 201398576]

約数ペア:

[(1, 201398576), (2, 100699288), (4, 50349644), (8, 25174822), (16, 12587411), (61, 3301616), (122, 1650808), (244, 825404), (488, 412702), (976, 206351)]