28277216

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 62674920

約数和(自身を除く): 34397704

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 109, 121, 134, 176, 218, 242, 268, 352, 436, 484, 536, 737, 872, 968, 1072, 1199, 1474, 1744, 1936, 2144, 2398, 2948, 3488, 3872, 4796, 5896, 7303, 8107, 9592, 11792, 13189, 14606, 16214, 19184, 23584, 26378, 29212, 32428, 38368, 52756, 58424, 64856, 80333, 105512, 116848, 129712, 160666, 211024, 233696, 259424, 321332, 422048, 642664, 883663, 1285328, 1767326, 2570656, 3534652, 7069304, 14138608, 28277216]

約数ペア:

[(1, 28277216), (2, 14138608), (4, 7069304), (8, 3534652), (11, 2570656), (16, 1767326), (22, 1285328), (32, 883663), (44, 642664), (67, 422048), (88, 321332), (109, 259424), (121, 233696), (134, 211024), (176, 160666), (218, 129712), (242, 116848), (268, 105512), (352, 80333), (436, 64856), (484, 58424), (536, 52756), (737, 38368), (872, 32428), (968, 29212), (1072, 26378), (1199, 23584), (1474, 19184), (1744, 16214), (1936, 14606), (2144, 13189), (2398, 11792), (2948, 9592), (3488, 8107), (3872, 7303), (4796, 5896)]