47128081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 19762799

約数列:

[1, 7, 11, 13, 23, 77, 89, 91, 143, 161, 253, 299, 529, 623, 979, 1001, 1157, 1771, 2047, 2093, 3289, 3703, 5819, 6853, 6877, 8099, 12727, 14329, 22517, 23023, 26611, 40733, 47081, 48139, 75647, 89089, 157619, 186277, 292721, 329567, 517891, 529529, 612053, 2049047, 3625237, 4284371, 6732583, 47128081]

約数ペア:

[(1, 47128081), (7, 6732583), (11, 4284371), (13, 3625237), (23, 2049047), (77, 612053), (89, 529529), (91, 517891), (143, 329567), (161, 292721), (253, 186277), (299, 157619), (529, 89089), (623, 75647), (979, 48139), (1001, 47081), (1157, 40733), (1771, 26611), (2047, 23023), (2093, 22517), (3289, 14329), (3703, 12727), (5819, 8099), (6853, 6877)]