256804568

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 524655360

約数和(自身を除く): 267850792

約数列:

[1, 2, 4, 8, 23, 37, 46, 67, 74, 92, 134, 148, 184, 268, 296, 536, 563, 851, 1126, 1541, 1702, 2252, 2479, 3082, 3404, 4504, 4958, 6164, 6808, 9916, 12328, 12949, 19832, 20831, 25898, 37721, 41662, 51796, 57017, 75442, 83324, 103592, 114034, 150884, 166648, 228068, 301768, 456136, 479113, 867583, 958226, 1395677, 1735166, 1916452, 2791354, 3470332, 3832904, 5582708, 6940664, 11165416, 32100571, 64201142, 128402284, 256804568]

約数ペア:

[(1, 256804568), (2, 128402284), (4, 64201142), (8, 32100571), (23, 11165416), (37, 6940664), (46, 5582708), (67, 3832904), (74, 3470332), (92, 2791354), (134, 1916452), (148, 1735166), (184, 1395677), (268, 958226), (296, 867583), (536, 479113), (563, 456136), (851, 301768), (1126, 228068), (1541, 166648), (1702, 150884), (2252, 114034), (2479, 103592), (3082, 83324), (3404, 75442), (4504, 57017), (4958, 51796), (6164, 41662), (6808, 37721), (9916, 25898), (12328, 20831), (12949, 19832)]