81480854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23563}}^1$

素因数の和:23604

約数の個数: 32

約数和(自身を含む): 158350080

約数和(自身を除く): 76869226

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 23563, 47126, 164941, 306319, 329882, 447697, 612638, 895394, 2144233, 3133879, 4288466, 5820061, 6267758, 11640122, 40740427, 81480854]

約数ペア:

[(1, 81480854), (2, 40740427), (7, 11640122), (13, 6267758), (14, 5820061), (19, 4288466), (26, 3133879), (38, 2144233), (91, 895394), (133, 612638), (182, 447697), (247, 329882), (266, 306319), (494, 164941), (1729, 47126), (3458, 23563)]