247574556

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{157}}^2$

素因数の和:361

約数の個数: 90

約数和(自身を含む): 672368928

約数和(自身を除く): 424794372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 157, 162, 186, 279, 314, 324, 372, 471, 558, 628, 837, 942, 1116, 1413, 1674, 1884, 2511, 2826, 3348, 4239, 4867, 5022, 5652, 8478, 9734, 10044, 12717, 14601, 16956, 19468, 24649, 25434, 29202, 43803, 49298, 50868, 58404, 73947, 87606, 98596, 131409, 147894, 175212, 221841, 262818, 295788, 394227, 443682, 525636, 665523, 764119, 788454, 887364, 1331046, 1528238, 1576908, 1996569, 2292357, 2662092, 3056476, 3993138, 4584714, 6877071, 7986276, 9169428, 13754142, 20631213, 27508284, 41262426, 61893639, 82524852, 123787278, 247574556]

約数ペア:

[(1, 247574556), (2, 123787278), (3, 82524852), (4, 61893639), (6, 41262426), (9, 27508284), (12, 20631213), (18, 13754142), (27, 9169428), (31, 7986276), (36, 6877071), (54, 4584714), (62, 3993138), (81, 3056476), (93, 2662092), (108, 2292357), (124, 1996569), (157, 1576908), (162, 1528238), (186, 1331046), (279, 887364), (314, 788454), (324, 764119), (372, 665523), (471, 525636), (558, 443682), (628, 394227), (837, 295788), (942, 262818), (1116, 221841), (1413, 175212), (1674, 147894), (1884, 131409), (2511, 98596), (2826, 87606), (3348, 73947), (4239, 58404), (4867, 50868), (5022, 49298), (5652, 43803), (8478, 29202), (9734, 25434), (10044, 24649), (12717, 19468), (14601, 16956)]