28152358

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 18971642

約数列:

[1, 2, 13, 26, 43, 86, 149, 169, 298, 338, 559, 1118, 1937, 2197, 3874, 4394, 6407, 7267, 12814, 14534, 25181, 50362, 83291, 94471, 166582, 188942, 327353, 654706, 1082783, 2165566, 14076179, 28152358]

約数ペア:

[(1, 28152358), (2, 14076179), (13, 2165566), (26, 1082783), (43, 654706), (86, 327353), (149, 188942), (169, 166582), (298, 94471), (338, 83291), (559, 50362), (1118, 25181), (1937, 14534), (2197, 12814), (3874, 7267), (4394, 6407)]