81383764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13907}}^1$

素因数の和:13948

約数の個数: 48

約数和(自身を含む): 186923520

約数和(自身を除く): 105539756

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 13907, 27814, 55628, 97349, 152977, 194698, 264233, 305954, 389396, 528466, 611908, 1056932, 1070839, 1849631, 2141678, 2906563, 3699262, 4283356, 5813126, 7398524, 11626252, 20345941, 40691882, 81383764]

約数ペア:

[(1, 81383764), (2, 40691882), (4, 20345941), (7, 11626252), (11, 7398524), (14, 5813126), (19, 4283356), (22, 3699262), (28, 2906563), (38, 2141678), (44, 1849631), (76, 1070839), (77, 1056932), (133, 611908), (154, 528466), (209, 389396), (266, 305954), (308, 264233), (418, 194698), (532, 152977), (836, 97349), (1463, 55628), (2926, 27814), (5852, 13907)]