8661245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 12026880

約数和(自身を除く): 3365635

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 173, 323, 527, 589, 865, 1615, 2635, 2941, 2945, 3287, 5363, 10013, 14705, 16435, 26815, 50065, 55879, 91171, 101897, 279395, 455855, 509485, 1732249, 8661245]

約数ペア:

[(1, 8661245), (5, 1732249), (17, 509485), (19, 455855), (31, 279395), (85, 101897), (95, 91171), (155, 55879), (173, 50065), (323, 26815), (527, 16435), (589, 14705), (865, 10013), (1615, 5363), (2635, 3287), (2941, 2945)]