28457394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 68843520

約数和(自身を除く): 40386126

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 89, 138, 161, 178, 267, 322, 331, 483, 534, 623, 662, 966, 993, 1246, 1869, 1986, 2047, 2317, 3738, 4094, 4634, 6141, 6951, 7613, 12282, 13902, 14329, 15226, 22839, 28658, 29459, 42987, 45678, 53291, 58918, 85974, 88377, 106582, 159873, 176754, 206213, 319746, 412426, 618639, 677557, 1237278, 1355114, 2032671, 4065342, 4742899, 9485798, 14228697, 28457394]

約数ペア:

[(1, 28457394), (2, 14228697), (3, 9485798), (6, 4742899), (7, 4065342), (14, 2032671), (21, 1355114), (23, 1237278), (42, 677557), (46, 618639), (69, 412426), (89, 319746), (138, 206213), (161, 176754), (178, 159873), (267, 106582), (322, 88377), (331, 85974), (483, 58918), (534, 53291), (623, 45678), (662, 42987), (966, 29459), (993, 28658), (1246, 22839), (1869, 15226), (1986, 14329), (2047, 13902), (2317, 12282), (3738, 7613), (4094, 6951), (4634, 6141)]