8131145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 11612160

約数和(自身を除く): 3481015

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 251, 341, 589, 1045, 1255, 1705, 2761, 2945, 4769, 6479, 7781, 13805, 23845, 32395, 38905, 52459, 85591, 147839, 262295, 427955, 739195, 1626229, 8131145]

約数ペア:

[(1, 8131145), (5, 1626229), (11, 739195), (19, 427955), (31, 262295), (55, 147839), (95, 85591), (155, 52459), (209, 38905), (251, 32395), (341, 23845), (589, 13805), (1045, 7781), (1255, 6479), (1705, 4769), (2761, 2945)]