256435984

素因数分解:

$2^4\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{1609}}^1$

素因数の和:3047

約数の個数: 40

約数和(自身を含む): 568574720

約数和(自身を除く): 312138736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1423, 1609, 2846, 3218, 5692, 6436, 9961, 11263, 11384, 12872, 19922, 22526, 22768, 25744, 39844, 45052, 79688, 90104, 159376, 180208, 2289607, 4579214, 9158428, 16027249, 18316856, 32054498, 36633712, 64108996, 128217992, 256435984]

約数ペア:

[(1, 256435984), (2, 128217992), (4, 64108996), (7, 36633712), (8, 32054498), (14, 18316856), (16, 16027249), (28, 9158428), (56, 4579214), (112, 2289607), (1423, 180208), (1609, 159376), (2846, 90104), (3218, 79688), (5692, 45052), (6436, 39844), (9961, 25744), (11263, 22768), (11384, 22526), (12872, 19922)]