319247488

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20959}}^1$

素因数の和:20997

約数の個数: 64

約数和(自身を含む): 769651200

約数和(自身を除く): 450403712

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1904, 2176, 3808, 7616, 15232, 20959, 41918, 83836, 146713, 167672, 293426, 335344, 356303, 586852, 670688, 712606, 1173704, 1341376, 1425212, 2347408, 2494121, 2682752, 2850424, 4694816, 4988242, 5700848, 9389632, 9976484, 11401696, 18779264, 19952968, 22803392, 39905936, 45606784, 79811872, 159623744, 319247488]

約数ペア:

[(1, 319247488), (2, 159623744), (4, 79811872), (7, 45606784), (8, 39905936), (14, 22803392), (16, 19952968), (17, 18779264), (28, 11401696), (32, 9976484), (34, 9389632), (56, 5700848), (64, 4988242), (68, 4694816), (112, 2850424), (119, 2682752), (128, 2494121), (136, 2347408), (224, 1425212), (238, 1341376), (272, 1173704), (448, 712606), (476, 670688), (544, 586852), (896, 356303), (952, 335344), (1088, 293426), (1904, 167672), (2176, 146713), (3808, 83836), (7616, 41918), (15232, 20959)]