291250352

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{9007}}^1$

素因数の和:9105

約数の個数: 40

約数和(自身を含む): 589771776

約数和(自身を除く): 298521424

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 4042, 8084, 9007, 16168, 18014, 32336, 36028, 72056, 144112, 387301, 423329, 774602, 846658, 1549204, 1693316, 3098408, 3386632, 6196816, 6773264, 18203147, 36406294, 72812588, 145625176, 291250352]

約数ペア:

[(1, 291250352), (2, 145625176), (4, 72812588), (8, 36406294), (16, 18203147), (43, 6773264), (47, 6196816), (86, 3386632), (94, 3098408), (172, 1693316), (188, 1549204), (344, 846658), (376, 774602), (688, 423329), (752, 387301), (2021, 144112), (4042, 72056), (8084, 36028), (9007, 32336), (16168, 18014)]