256186776

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{248243}}^1$

素因数の和:248295

約数の個数: 32

約数和(自身を含む): 655364160

約数和(自身を除く): 399177384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 248243, 496486, 744729, 992972, 1489458, 1985944, 2978916, 5957832, 10674449, 21348898, 32023347, 42697796, 64046694, 85395592, 128093388, 256186776]

約数ペア:

[(1, 256186776), (2, 128093388), (3, 85395592), (4, 64046694), (6, 42697796), (8, 32023347), (12, 21348898), (24, 10674449), (43, 5957832), (86, 2978916), (129, 1985944), (172, 1489458), (258, 992972), (344, 744729), (516, 496486), (1032, 248243)]