71777888

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^2$

素因数の和:344

約数の個数: 72

約数和(自身を含む): 175038192

約数和(自身を除く): 103260304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 157, 182, 208, 224, 314, 364, 416, 628, 728, 1099, 1256, 1456, 2041, 2198, 2512, 2912, 4082, 4396, 5024, 8164, 8792, 14287, 16328, 17584, 24649, 28574, 32656, 35168, 49298, 57148, 65312, 98596, 114296, 172543, 197192, 228592, 320437, 345086, 394384, 457184, 640874, 690172, 788768, 1281748, 1380344, 2243059, 2563496, 2760688, 4486118, 5126992, 5521376, 8972236, 10253984, 17944472, 35888944, 71777888]

約数ペア:

[(1, 71777888), (2, 35888944), (4, 17944472), (7, 10253984), (8, 8972236), (13, 5521376), (14, 5126992), (16, 4486118), (26, 2760688), (28, 2563496), (32, 2243059), (52, 1380344), (56, 1281748), (91, 788768), (104, 690172), (112, 640874), (157, 457184), (182, 394384), (208, 345086), (224, 320437), (314, 228592), (364, 197192), (416, 172543), (628, 114296), (728, 98596), (1099, 65312), (1256, 57148), (1456, 49298), (2041, 35168), (2198, 32656), (2512, 28574), (2912, 24649), (4082, 17584), (4396, 16328), (5024, 14287), (8164, 8792)]