28301072

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 56460672

約数和(自身を除く): 28159600

約数列:

[1, 2, 4, 8, 16, 61, 107, 122, 214, 244, 271, 428, 488, 542, 856, 976, 1084, 1712, 2168, 4336, 6527, 13054, 16531, 26108, 28997, 33062, 52216, 57994, 66124, 104432, 115988, 132248, 231976, 264496, 463952, 1768817, 3537634, 7075268, 14150536, 28301072]

約数ペア:

[(1, 28301072), (2, 14150536), (4, 7075268), (8, 3537634), (16, 1768817), (61, 463952), (107, 264496), (122, 231976), (214, 132248), (244, 115988), (271, 104432), (428, 66124), (488, 57994), (542, 52216), (856, 33062), (976, 28997), (1084, 26108), (1712, 16531), (2168, 13054), (4336, 6527)]