251222608

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^2$

素因数の和:349

約数の個数: 90

約数和(自身を含む): 613675566

約数和(自身を除く): 362452958

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 157, 182, 196, 208, 314, 364, 392, 628, 637, 728, 784, 1099, 1256, 1274, 1456, 2041, 2198, 2512, 2548, 4082, 4396, 5096, 7693, 8164, 8792, 10192, 14287, 15386, 16328, 17584, 24649, 28574, 30772, 32656, 49298, 57148, 61544, 98596, 100009, 114296, 123088, 172543, 197192, 200018, 228592, 320437, 345086, 394384, 400036, 640874, 690172, 800072, 1207801, 1281748, 1380344, 1600144, 2243059, 2415602, 2563496, 2760688, 4486118, 4831204, 5126992, 8972236, 9662408, 15701413, 17944472, 19324816, 31402826, 35888944, 62805652, 125611304, 251222608]

約数ペア:

[(1, 251222608), (2, 125611304), (4, 62805652), (7, 35888944), (8, 31402826), (13, 19324816), (14, 17944472), (16, 15701413), (26, 9662408), (28, 8972236), (49, 5126992), (52, 4831204), (56, 4486118), (91, 2760688), (98, 2563496), (104, 2415602), (112, 2243059), (157, 1600144), (182, 1380344), (196, 1281748), (208, 1207801), (314, 800072), (364, 690172), (392, 640874), (628, 400036), (637, 394384), (728, 345086), (784, 320437), (1099, 228592), (1256, 200018), (1274, 197192), (1456, 172543), (2041, 123088), (2198, 114296), (2512, 100009), (2548, 98596), (4082, 61544), (4396, 57148), (5096, 49298), (7693, 32656), (8164, 30772), (8792, 28574), (10192, 24649), (14287, 17584), (15386, 16328)]