28826784

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 95397120

約数和(自身を除く): 66570336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 79, 84, 96, 112, 126, 144, 158, 168, 181, 224, 237, 252, 288, 316, 336, 362, 474, 504, 543, 553, 632, 672, 711, 724, 948, 1008, 1086, 1106, 1264, 1267, 1422, 1448, 1629, 1659, 1896, 2016, 2172, 2212, 2528, 2534, 2844, 2896, 3258, 3318, 3792, 3801, 4344, 4424, 4977, 5068, 5688, 5792, 6516, 6636, 7584, 7602, 8688, 8848, 9954, 10136, 11376, 11403, 13032, 13272, 14299, 15204, 17376, 17696, 19908, 20272, 22752, 22806, 26064, 26544, 28598, 30408, 39816, 40544, 42897, 45612, 52128, 53088, 57196, 60816, 79632, 85794, 91224, 100093, 114392, 121632, 128691, 159264, 171588, 182448, 200186, 228784, 257382, 300279, 343176, 364896, 400372, 457568, 514764, 600558, 686352, 800744, 900837, 1029528, 1201116, 1372704, 1601488, 1801674, 2059056, 2402232, 3202976, 3603348, 4118112, 4804464, 7206696, 9608928, 14413392, 28826784]

約数ペア:

[(1, 28826784), (2, 14413392), (3, 9608928), (4, 7206696), (6, 4804464), (7, 4118112), (8, 3603348), (9, 3202976), (12, 2402232), (14, 2059056), (16, 1801674), (18, 1601488), (21, 1372704), (24, 1201116), (28, 1029528), (32, 900837), (36, 800744), (42, 686352), (48, 600558), (56, 514764), (63, 457568), (72, 400372), (79, 364896), (84, 343176), (96, 300279), (112, 257382), (126, 228784), (144, 200186), (158, 182448), (168, 171588), (181, 159264), (224, 128691), (237, 121632), (252, 114392), (288, 100093), (316, 91224), (336, 85794), (362, 79632), (474, 60816), (504, 57196), (543, 53088), (553, 52128), (632, 45612), (672, 42897), (711, 40544), (724, 39816), (948, 30408), (1008, 28598), (1086, 26544), (1106, 26064), (1264, 22806), (1267, 22752), (1422, 20272), (1448, 19908), (1629, 17696), (1659, 17376), (1896, 15204), (2016, 14299), (2172, 13272), (2212, 13032), (2528, 11403), (2534, 11376), (2844, 10136), (2896, 9954), (3258, 8848), (3318, 8688), (3792, 7602), (3801, 7584), (4344, 6636), (4424, 6516), (4977, 5792), (5068, 5688)]