393419556

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{254147}}^1$

素因数の和:254200

約数の個数: 36

約数和(自身を含む): 1017608592

約数和(自身を除く): 624189036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 254147, 508294, 762441, 1016588, 1524882, 2287323, 3049764, 4574646, 9149292, 10928321, 21856642, 32784963, 43713284, 65569926, 98354889, 131139852, 196709778, 393419556]

約数ペア:

[(1, 393419556), (2, 196709778), (3, 131139852), (4, 98354889), (6, 65569926), (9, 43713284), (12, 32784963), (18, 21856642), (36, 10928321), (43, 9149292), (86, 4574646), (129, 3049764), (172, 2287323), (258, 1524882), (387, 1016588), (516, 762441), (774, 508294), (1548, 254147)]