28639072

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 43211168

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 59, 77, 88, 112, 118, 154, 176, 197, 224, 236, 308, 352, 394, 413, 472, 616, 649, 788, 826, 944, 1232, 1298, 1379, 1576, 1652, 1888, 2167, 2464, 2596, 2758, 3152, 3304, 4334, 4543, 5192, 5516, 6304, 6608, 8668, 9086, 10384, 11032, 11623, 13216, 15169, 17336, 18172, 20768, 22064, 23246, 30338, 34672, 36344, 44128, 46492, 60676, 69344, 72688, 81361, 92984, 121352, 127853, 145376, 162722, 185968, 242704, 255706, 325444, 371936, 485408, 511412, 650888, 894971, 1022824, 1301776, 1789942, 2045648, 2603552, 3579884, 4091296, 7159768, 14319536, 28639072]

約数ペア:

[(1, 28639072), (2, 14319536), (4, 7159768), (7, 4091296), (8, 3579884), (11, 2603552), (14, 2045648), (16, 1789942), (22, 1301776), (28, 1022824), (32, 894971), (44, 650888), (56, 511412), (59, 485408), (77, 371936), (88, 325444), (112, 255706), (118, 242704), (154, 185968), (176, 162722), (197, 145376), (224, 127853), (236, 121352), (308, 92984), (352, 81361), (394, 72688), (413, 69344), (472, 60676), (616, 46492), (649, 44128), (788, 36344), (826, 34672), (944, 30338), (1232, 23246), (1298, 22064), (1379, 20768), (1576, 18172), (1652, 17336), (1888, 15169), (2167, 13216), (2464, 11623), (2596, 11032), (2758, 10384), (3152, 9086), (3304, 8668), (4334, 6608), (4543, 6304), (5192, 5516)]