256315688

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 518745600

約数和(自身を除く): 262429912

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 116, 124, 157, 227, 232, 248, 314, 454, 628, 899, 908, 1256, 1798, 1816, 3596, 4553, 4867, 6583, 7037, 7192, 9106, 9734, 13166, 14074, 18212, 19468, 26332, 28148, 35639, 36424, 38936, 52664, 56296, 71278, 141143, 142556, 204073, 282286, 285112, 408146, 564572, 816292, 1033531, 1104809, 1129144, 1632584, 2067062, 2209618, 4134124, 4419236, 8268248, 8838472, 32039461, 64078922, 128157844, 256315688]

約数ペア:

[(1, 256315688), (2, 128157844), (4, 64078922), (8, 32039461), (29, 8838472), (31, 8268248), (58, 4419236), (62, 4134124), (116, 2209618), (124, 2067062), (157, 1632584), (227, 1129144), (232, 1104809), (248, 1033531), (314, 816292), (454, 564572), (628, 408146), (899, 285112), (908, 282286), (1256, 204073), (1798, 142556), (1816, 141143), (3596, 71278), (4553, 56296), (4867, 52664), (6583, 38936), (7037, 36424), (7192, 35639), (9106, 28148), (9734, 26332), (13166, 19468), (14074, 18212)]