28342678

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22247}}^1$

素因数の和:22276

約数の個数: 24

約数和(自身を含む): 53261712

約数和(自身を除く): 24919034

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 22247, 44494, 155729, 289211, 311458, 578422, 1090103, 2024477, 2180206, 4048954, 14171339, 28342678]

約数ペア:

[(1, 28342678), (2, 14171339), (7, 4048954), (13, 2180206), (14, 2024477), (26, 1090103), (49, 578422), (91, 311458), (98, 289211), (182, 155729), (637, 44494), (1274, 22247)]