81560128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{587}}^1$

素因数の和:779

約数の個数: 56

約数和(自身を含む): 175637952

約数和(自身を除く): 94077824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 167, 208, 334, 416, 587, 668, 832, 1174, 1336, 2171, 2348, 2672, 4342, 4696, 5344, 7631, 8684, 9392, 10688, 15262, 17368, 18784, 30524, 34736, 37568, 61048, 69472, 98029, 122096, 138944, 196058, 244192, 392116, 488384, 784232, 1274377, 1568464, 2548754, 3136928, 5097508, 6273856, 10195016, 20390032, 40780064, 81560128]

約数ペア:

[(1, 81560128), (2, 40780064), (4, 20390032), (8, 10195016), (13, 6273856), (16, 5097508), (26, 3136928), (32, 2548754), (52, 1568464), (64, 1274377), (104, 784232), (167, 488384), (208, 392116), (334, 244192), (416, 196058), (587, 138944), (668, 122096), (832, 98029), (1174, 69472), (1336, 61048), (2171, 37568), (2348, 34736), (2672, 30524), (4342, 18784), (4696, 17368), (5344, 15262), (7631, 10688), (8684, 9392)]