393587256

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{381383}}^1$

素因数の和:381435

約数の個数: 32

約数和(自身を含む): 1006853760

約数和(自身を除く): 613266504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 381383, 762766, 1144149, 1525532, 2288298, 3051064, 4576596, 9153192, 16399469, 32798938, 49198407, 65597876, 98396814, 131195752, 196793628, 393587256]

約数ペア:

[(1, 393587256), (2, 196793628), (3, 131195752), (4, 98396814), (6, 65597876), (8, 49198407), (12, 32798938), (24, 16399469), (43, 9153192), (86, 4576596), (129, 3051064), (172, 2288298), (258, 1525532), (344, 1144149), (516, 762766), (1032, 381383)]