81549136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6379}}^1$

素因数の和:6451

約数の個数: 40

約数和(自身を含む): 170881920

約数和(自身を除く): 89332784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 3196, 6379, 6392, 12758, 12784, 25516, 51032, 102064, 108443, 216886, 299813, 433772, 599626, 867544, 1199252, 1735088, 2398504, 4797008, 5096821, 10193642, 20387284, 40774568, 81549136]

約数ペア:

[(1, 81549136), (2, 40774568), (4, 20387284), (8, 10193642), (16, 5096821), (17, 4797008), (34, 2398504), (47, 1735088), (68, 1199252), (94, 867544), (136, 599626), (188, 433772), (272, 299813), (376, 216886), (752, 108443), (799, 102064), (1598, 51032), (3196, 25516), (6379, 12784), (6392, 12758)]