991346588

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{13907}}^1$

素因数の和:14233

約数の個数: 24

約数和(自身を含む): 1766427264

約数和(自身を除く): 775080676

約数列:

[1, 2, 4, 71, 142, 251, 284, 502, 1004, 13907, 17821, 27814, 35642, 55628, 71284, 987397, 1974794, 3490657, 3949588, 6981314, 13962628, 247836647, 495673294, 991346588]

約数ペア:

[(1, 991346588), (2, 495673294), (4, 247836647), (71, 13962628), (142, 6981314), (251, 3949588), (284, 3490657), (502, 1974794), (1004, 987397), (13907, 71284), (17821, 55628), (27814, 35642)]