1990692

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{457}}^1$

素因数の和:489

約数の個数: 54

約数和(自身を含む): 5543174

約数和(自身を除く): 3552482

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 457, 484, 726, 914, 1089, 1371, 1452, 1828, 2178, 2742, 4113, 4356, 5027, 5484, 8226, 10054, 15081, 16452, 20108, 30162, 45243, 55297, 60324, 90486, 110594, 165891, 180972, 221188, 331782, 497673, 663564, 995346, 1990692]

約数ペア:

[(1, 1990692), (2, 995346), (3, 663564), (4, 497673), (6, 331782), (9, 221188), (11, 180972), (12, 165891), (18, 110594), (22, 90486), (33, 60324), (36, 55297), (44, 45243), (66, 30162), (99, 20108), (121, 16452), (132, 15081), (198, 10054), (242, 8226), (363, 5484), (396, 5027), (457, 4356), (484, 4113), (726, 2742), (914, 2178), (1089, 1828), (1371, 1452)]