8457904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 20845888

約数和(自身を除く): 12387984

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 157, 182, 208, 259, 296, 314, 364, 481, 518, 592, 628, 728, 962, 1036, 1099, 1256, 1456, 1924, 2041, 2072, 2198, 2512, 3367, 3848, 4082, 4144, 4396, 5809, 6734, 7696, 8164, 8792, 11618, 13468, 14287, 16328, 17584, 23236, 26936, 28574, 32656, 40663, 46472, 53872, 57148, 75517, 81326, 92944, 114296, 151034, 162652, 228592, 302068, 325304, 528619, 604136, 650608, 1057238, 1208272, 2114476, 4228952, 8457904]

約数ペア:

[(1, 8457904), (2, 4228952), (4, 2114476), (7, 1208272), (8, 1057238), (13, 650608), (14, 604136), (16, 528619), (26, 325304), (28, 302068), (37, 228592), (52, 162652), (56, 151034), (74, 114296), (91, 92944), (104, 81326), (112, 75517), (148, 57148), (157, 53872), (182, 46472), (208, 40663), (259, 32656), (296, 28574), (314, 26936), (364, 23236), (481, 17584), (518, 16328), (592, 14287), (628, 13468), (728, 11618), (962, 8792), (1036, 8164), (1099, 7696), (1256, 6734), (1456, 5809), (1924, 4396), (2041, 4144), (2072, 4082), (2198, 3848), (2512, 3367)]