289872037

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{467}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 377395200

約数和(自身を除く): 87523163

約数列:

[1, 7, 13, 19, 91, 133, 247, 359, 467, 1729, 2513, 3269, 4667, 6071, 6821, 8873, 32669, 42497, 47747, 62111, 88673, 115349, 167653, 620711, 807443, 1173571, 2179489, 3185407, 15256423, 22297849, 41410291, 289872037]

約数ペア:

[(1, 289872037), (7, 41410291), (13, 22297849), (19, 15256423), (91, 3185407), (133, 2179489), (247, 1173571), (359, 807443), (467, 620711), (1729, 167653), (2513, 115349), (3269, 88673), (4667, 62111), (6071, 47747), (6821, 42497), (8873, 32669)]