31085615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 12252625

約数列:

[1, 5, 11, 19, 55, 95, 151, 197, 209, 755, 985, 1045, 1661, 2167, 2869, 3743, 8305, 10835, 14345, 18715, 29747, 31559, 41173, 148735, 157795, 205865, 327217, 565193, 1636085, 2825965, 6217123, 31085615]

約数ペア:

[(1, 31085615), (5, 6217123), (11, 2825965), (19, 1636085), (55, 565193), (95, 327217), (151, 205865), (197, 157795), (209, 148735), (755, 41173), (985, 31559), (1045, 29747), (1661, 18715), (2167, 14345), (2869, 10835), (3743, 8305)]