80839828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27647}}^1$

素因数の和:27711

約数の個数: 24

約数和(自身を含む): 153280512

約数和(自身を除く): 72440684

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 27647, 55294, 110588, 469999, 939998, 1188821, 1879996, 2377642, 4755284, 20209957, 40419914, 80839828]

約数ペア:

[(1, 80839828), (2, 40419914), (4, 20209957), (17, 4755284), (34, 2377642), (43, 1879996), (68, 1188821), (86, 939998), (172, 469999), (731, 110588), (1462, 55294), (2924, 27647)]