256568648

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{147793}}^1$

素因数の和:147837

約数の個数: 32

約数和(自身を含む): 567528960

約数和(自身を除く): 310960312

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 147793, 295586, 591172, 1034551, 1182344, 2069102, 4138204, 4581583, 8276408, 9163166, 18326332, 32071081, 36652664, 64142162, 128284324, 256568648]

約数ペア:

[(1, 256568648), (2, 128284324), (4, 64142162), (7, 36652664), (8, 32071081), (14, 18326332), (28, 9163166), (31, 8276408), (56, 4581583), (62, 4138204), (124, 2069102), (217, 1182344), (248, 1034551), (434, 591172), (868, 295586), (1736, 147793)]