258148904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{80071}}^1$

素因数の和:80121

約数の個数: 32

約数和(自身を含む): 538083840

約数和(自身を除く): 279934936

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 80071, 160142, 320284, 640568, 1040923, 2081846, 2482201, 4163692, 4964402, 8327384, 9928804, 19857608, 32268613, 64537226, 129074452, 258148904]

約数ペア:

[(1, 258148904), (2, 129074452), (4, 64537226), (8, 32268613), (13, 19857608), (26, 9928804), (31, 8327384), (52, 4964402), (62, 4163692), (104, 2482201), (124, 2081846), (248, 1040923), (403, 640568), (806, 320284), (1612, 160142), (3224, 80071)]