81968390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{68881}}^1$

素因数の和:68912

約数の個数: 32

約数和(自身を含む): 178542144

約数和(自身を除く): 96573754

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 68881, 137762, 344405, 482167, 688810, 964334, 1170977, 2341954, 2410835, 4821670, 5854885, 8196839, 11709770, 16393678, 40984195, 81968390]

約数ペア:

[(1, 81968390), (2, 40984195), (5, 16393678), (7, 11709770), (10, 8196839), (14, 5854885), (17, 4821670), (34, 2410835), (35, 2341954), (70, 1170977), (85, 964334), (119, 688810), (170, 482167), (238, 344405), (595, 137762), (1190, 68881)]