1240988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 2709504

約数和(自身を除く): 1468516

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 47, 82, 92, 94, 161, 164, 188, 287, 322, 329, 574, 644, 658, 943, 1081, 1148, 1316, 1886, 1927, 2162, 3772, 3854, 4324, 6601, 7567, 7708, 13202, 13489, 15134, 26404, 26978, 30268, 44321, 53956, 88642, 177284, 310247, 620494, 1240988]

約数ペア:

[(1, 1240988), (2, 620494), (4, 310247), (7, 177284), (14, 88642), (23, 53956), (28, 44321), (41, 30268), (46, 26978), (47, 26404), (82, 15134), (92, 13489), (94, 13202), (161, 7708), (164, 7567), (188, 6601), (287, 4324), (322, 3854), (329, 3772), (574, 2162), (644, 1927), (658, 1886), (943, 1316), (1081, 1148)]