138167248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{278563}}^1$

素因数の和:278602

約数の個数: 20

約数和(自身を含む): 276335488

約数和(自身を除く): 138168240

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 278563, 557126, 1114252, 2228504, 4457008, 8635453, 17270906, 34541812, 69083624, 138167248]

約数ペア:

[(1, 138167248), (2, 69083624), (4, 34541812), (8, 17270906), (16, 8635453), (31, 4457008), (62, 2228504), (124, 1114252), (248, 557126), (496, 278563)]