280432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1056

約数の個数: 20

約数和(自身を含む): 575856

約数和(自身を除く): 295424

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1031, 2062, 4124, 8248, 16496, 17527, 35054, 70108, 140216, 280432]

約数ペア:

[(1, 280432), (2, 140216), (4, 70108), (8, 35054), (16, 17527), (17, 16496), (34, 8248), (68, 4124), (136, 2062), (272, 1031)]