2605428

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 72

約数和(自身を含む): 7716800

約数和(自身を除く): 5111372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 211, 252, 294, 343, 422, 441, 588, 633, 686, 844, 882, 1029, 1266, 1372, 1477, 1764, 1899, 2058, 2532, 2954, 3087, 3798, 4116, 4431, 5908, 6174, 7596, 8862, 10339, 12348, 13293, 17724, 20678, 26586, 31017, 41356, 53172, 62034, 72373, 93051, 124068, 144746, 186102, 217119, 289492, 372204, 434238, 651357, 868476, 1302714, 2605428]

約数ペア:

[(1, 2605428), (2, 1302714), (3, 868476), (4, 651357), (6, 434238), (7, 372204), (9, 289492), (12, 217119), (14, 186102), (18, 144746), (21, 124068), (28, 93051), (36, 72373), (42, 62034), (49, 53172), (63, 41356), (84, 31017), (98, 26586), (126, 20678), (147, 17724), (196, 13293), (211, 12348), (252, 10339), (294, 8862), (343, 7596), (422, 6174), (441, 5908), (588, 4431), (633, 4116), (686, 3798), (844, 3087), (882, 2954), (1029, 2532), (1266, 2058), (1372, 1899), (1477, 1764)]