7826390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 16680816

約数和(自身を除く): 8854426

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 421, 715, 842, 845, 1430, 1690, 1859, 2105, 3718, 4210, 4631, 5473, 9262, 9295, 10946, 18590, 23155, 27365, 46310, 54730, 60203, 71149, 120406, 142298, 301015, 355745, 602030, 711490, 782639, 1565278, 3913195, 7826390]

約数ペア:

[(1, 7826390), (2, 3913195), (5, 1565278), (10, 782639), (11, 711490), (13, 602030), (22, 355745), (26, 301015), (55, 142298), (65, 120406), (110, 71149), (130, 60203), (143, 54730), (169, 46310), (286, 27365), (338, 23155), (421, 18590), (715, 10946), (842, 9295), (845, 9262), (1430, 5473), (1690, 4631), (1859, 4210), (2105, 3718)]