206421310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{2473}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 394375392

約数和(自身を除く): 187954082

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 491, 982, 2455, 2473, 4910, 4946, 8347, 12365, 16694, 24730, 41735, 42041, 83470, 84082, 210205, 420410, 1214243, 2428486, 6071215, 12142430, 20642131, 41284262, 103210655, 206421310]

約数ペア:

[(1, 206421310), (2, 103210655), (5, 41284262), (10, 20642131), (17, 12142430), (34, 6071215), (85, 2428486), (170, 1214243), (491, 420410), (982, 210205), (2455, 84082), (2473, 83470), (4910, 42041), (4946, 41735), (8347, 24730), (12365, 16694)]