72197965

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 103783680

約数和(自身を除く): 31585715

約数列:

[1, 5, 7, 29, 35, 83, 145, 203, 415, 581, 857, 1015, 2407, 2905, 4285, 5999, 12035, 16849, 24853, 29995, 71131, 84245, 124265, 173971, 355655, 497917, 869855, 2062799, 2489585, 10313995, 14439593, 72197965]

約数ペア:

[(1, 72197965), (5, 14439593), (7, 10313995), (29, 2489585), (35, 2062799), (83, 869855), (145, 497917), (203, 355655), (415, 173971), (581, 124265), (857, 84245), (1015, 71131), (2407, 29995), (2905, 24853), (4285, 16849), (5999, 12035)]