81210530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{787}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 155229696

約数和(自身を除く): 74019166

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 607, 787, 1214, 1574, 3035, 3935, 6070, 7870, 10319, 13379, 20638, 26758, 51595, 66895, 103190, 133790, 477709, 955418, 2388545, 4777090, 8121053, 16242106, 40605265, 81210530]

約数ペア:

[(1, 81210530), (2, 40605265), (5, 16242106), (10, 8121053), (17, 4777090), (34, 2388545), (85, 955418), (170, 477709), (607, 133790), (787, 103190), (1214, 66895), (1574, 51595), (3035, 26758), (3935, 20638), (6070, 13379), (7870, 10319)]