489287764

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{221197}}^1$

素因数の和:221287

約数の個数: 24

約数和(自身を含む): 990967040

約数和(自身を除く): 501679276

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 221197, 442394, 884788, 1548379, 3096758, 6193516, 17474563, 34949126, 69898252, 122321941, 244643882, 489287764]

約数ペア:

[(1, 489287764), (2, 244643882), (4, 122321941), (7, 69898252), (14, 34949126), (28, 17474563), (79, 6193516), (158, 3096758), (316, 1548379), (553, 884788), (1106, 442394), (2212, 221197)]