401281918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{91159}}^1$

素因数の和:91263

約数の個数: 16

約数和(自身を含む): 630097920

約数和(自身を除く): 228816002

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 91159, 182318, 2825929, 5651858, 6472289, 12944578, 200640959, 401281918]

約数ペア:

[(1, 401281918), (2, 200640959), (31, 12944578), (62, 6472289), (71, 5651858), (142, 2825929), (2201, 182318), (4402, 91159)]