81386752

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{18701}}^1$

素因数の和:18734

約数の個数: 36

約数和(自身を含む): 172020996

約数和(自身を除く): 90634244

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 18701, 37402, 74804, 149608, 299216, 317917, 598432, 635834, 1196864, 1271668, 2393728, 2543336, 4787456, 5086672, 10173344, 20346688, 40693376, 81386752]

約数ペア:

[(1, 81386752), (2, 40693376), (4, 20346688), (8, 10173344), (16, 5086672), (17, 4787456), (32, 2543336), (34, 2393728), (64, 1271668), (68, 1196864), (128, 635834), (136, 598432), (256, 317917), (272, 299216), (544, 149608), (1088, 74804), (2176, 37402), (4352, 18701)]