71313190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1303}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 138672576

約数和(自身を除く): 67359386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 842, 1303, 2105, 2606, 4210, 5473, 6515, 10946, 13030, 16939, 27365, 33878, 54730, 84695, 169390, 548563, 1097126, 2742815, 5485630, 7131319, 14262638, 35656595, 71313190]

約数ペア:

[(1, 71313190), (2, 35656595), (5, 14262638), (10, 7131319), (13, 5485630), (26, 2742815), (65, 1097126), (130, 548563), (421, 169390), (842, 84695), (1303, 54730), (2105, 33878), (2606, 27365), (4210, 16939), (5473, 13030), (6515, 10946)]