289399278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{87221}}^1$

素因数の和:87312

約数の個数: 32

約数和(自身を含む): 669864960

約数和(自身を除く): 380465682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 87221, 174442, 261663, 523326, 610547, 1221094, 1831641, 3663282, 6890459, 13780918, 20671377, 41342754, 48233213, 96466426, 144699639, 289399278]

約数ペア:

[(1, 289399278), (2, 144699639), (3, 96466426), (6, 48233213), (7, 41342754), (14, 20671377), (21, 13780918), (42, 6890459), (79, 3663282), (158, 1831641), (237, 1221094), (474, 610547), (553, 523326), (1106, 261663), (1659, 174442), (3318, 87221)]