81531812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5927}}^1$

素因数の和:6131

約数の個数: 24

約数和(自身を含む): 151045440

約数和(自身を除く): 69513628

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 3439, 5927, 6878, 11854, 13756, 23708, 112613, 225226, 450452, 1072787, 2145574, 4291148, 20382953, 40765906, 81531812]

約数ペア:

[(1, 81531812), (2, 40765906), (4, 20382953), (19, 4291148), (38, 2145574), (76, 1072787), (181, 450452), (362, 225226), (724, 112613), (3439, 23708), (5927, 13756), (6878, 11854)]