157980457831

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1\times {\mathrm{15683}}^1$

素因数の和:16543

約数の個数: 32

約数和(自身を含む): 189689573376

約数和(自身を除く): 31709115545

約数列:

[1, 7, 31, 61, 217, 427, 761, 1891, 5327, 13237, 15683, 23591, 46421, 109781, 165137, 324947, 486173, 956663, 1439051, 3403211, 6696641, 10073357, 11934763, 29656553, 83543341, 207595871, 369977653, 728020543, 2589843571, 5096143801, 22568636833, 157980457831]

約数ペア:

[(1, 157980457831), (7, 22568636833), (31, 5096143801), (61, 2589843571), (217, 728020543), (427, 369977653), (761, 207595871), (1891, 83543341), (5327, 29656553), (13237, 11934763), (15683, 10073357), (23591, 6696641), (46421, 3403211), (109781, 1439051), (165137, 956663), (324947, 486173)]