168380810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{1307}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 326979072

約数和(自身を除く): 158598262

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 991, 1307, 1982, 2614, 4955, 6535, 9910, 12883, 13070, 16991, 25766, 33982, 64415, 84955, 128830, 169910, 1295237, 2590474, 6476185, 12952370, 16838081, 33676162, 84190405, 168380810]

約数ペア:

[(1, 168380810), (2, 84190405), (5, 33676162), (10, 16838081), (13, 12952370), (26, 6476185), (65, 2590474), (130, 1295237), (991, 169910), (1307, 128830), (1982, 84955), (2614, 64415), (4955, 33982), (6535, 25766), (9910, 16991), (12883, 13070)]