82721390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 151911936

約数和(自身を除く): 69190546

約数列:

[1, 2, 5, 10, 71, 142, 263, 355, 443, 526, 710, 886, 1315, 2215, 2630, 4430, 18673, 31453, 37346, 62906, 93365, 116509, 157265, 186730, 233018, 314530, 582545, 1165090, 8272139, 16544278, 41360695, 82721390]

約数ペア:

[(1, 82721390), (2, 41360695), (5, 16544278), (10, 8272139), (71, 1165090), (142, 582545), (263, 314530), (355, 233018), (443, 186730), (526, 157265), (710, 116509), (886, 93365), (1315, 62906), (2215, 37346), (2630, 31453), (4430, 18673)]