81586988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153359}}^1$

素因数の和:153389

約数の個数: 24

約数和(自身を含む): 171763200

約数和(自身を除く): 90176212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153359, 306718, 613436, 1073513, 2147026, 2913821, 4294052, 5827642, 11655284, 20396747, 40793494, 81586988]

約数ペア:

[(1, 81586988), (2, 40793494), (4, 20396747), (7, 11655284), (14, 5827642), (19, 4294052), (28, 2913821), (38, 2147026), (76, 1073513), (133, 613436), (266, 306718), (532, 153359)]