81906272

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 197805888

約数和(自身を除く): 115899616

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 137, 157, 224, 238, 272, 274, 314, 476, 544, 548, 628, 952, 959, 1096, 1099, 1256, 1904, 1918, 2192, 2198, 2329, 2512, 2669, 3808, 3836, 4384, 4396, 4658, 5024, 5338, 7672, 8792, 9316, 10676, 15344, 16303, 17584, 18632, 18683, 21352, 21509, 30688, 32606, 35168, 37264, 37366, 42704, 43018, 65212, 74528, 74732, 85408, 86036, 130424, 149464, 150563, 172072, 260848, 298928, 301126, 344144, 365653, 521696, 597856, 602252, 688288, 731306, 1204504, 1462612, 2409008, 2559571, 2925224, 4818016, 5119142, 5850448, 10238284, 11700896, 20476568, 40953136, 81906272]

約数ペア:

[(1, 81906272), (2, 40953136), (4, 20476568), (7, 11700896), (8, 10238284), (14, 5850448), (16, 5119142), (17, 4818016), (28, 2925224), (32, 2559571), (34, 2409008), (56, 1462612), (68, 1204504), (112, 731306), (119, 688288), (136, 602252), (137, 597856), (157, 521696), (224, 365653), (238, 344144), (272, 301126), (274, 298928), (314, 260848), (476, 172072), (544, 150563), (548, 149464), (628, 130424), (952, 86036), (959, 85408), (1096, 74732), (1099, 74528), (1256, 65212), (1904, 43018), (1918, 42704), (2192, 37366), (2198, 37264), (2329, 35168), (2512, 32606), (2669, 30688), (3808, 21509), (3836, 21352), (4384, 18683), (4396, 18632), (4658, 17584), (5024, 16303), (5338, 15344), (7672, 10676), (8792, 9316)]