158983990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{6367}}^1$

素因数の和:6612

約数の個数: 32

約数和(自身を含む): 313611264

約数和(自身を除く): 154627274

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 1135, 2270, 2497, 4994, 6367, 12485, 12734, 24970, 31835, 63670, 70037, 140074, 350185, 700370, 1445309, 2890618, 7226545, 14453090, 15898399, 31796798, 79491995, 158983990]

約数ペア:

[(1, 158983990), (2, 79491995), (5, 31796798), (10, 15898399), (11, 14453090), (22, 7226545), (55, 2890618), (110, 1445309), (227, 700370), (454, 350185), (1135, 140074), (2270, 70037), (2497, 63670), (4994, 31835), (6367, 24970), (12485, 12734)]