8217170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 16450560

約数和(自身を除く): 8233390

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 2039, 4030, 4078, 10195, 20390, 26507, 53014, 63209, 126418, 132535, 265070, 316045, 632090, 821717, 1643434, 4108585, 8217170]

約数ペア:

[(1, 8217170), (2, 4108585), (5, 1643434), (10, 821717), (13, 632090), (26, 316045), (31, 265070), (62, 132535), (65, 126418), (130, 63209), (155, 53014), (310, 26507), (403, 20390), (806, 10195), (2015, 4078), (2039, 4030)]