80641444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12211}}^1$

素因数の和:12355

約数の個数: 24

約数和(自身を含む): 153187328

約数和(自身を除く): 72545884

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 12211, 24422, 48844, 158743, 317486, 634972, 1550797, 3101594, 6203188, 20160361, 40320722, 80641444]

約数ペア:

[(1, 80641444), (2, 40320722), (4, 20160361), (13, 6203188), (26, 3101594), (52, 1550797), (127, 634972), (254, 317486), (508, 158743), (1651, 48844), (3302, 24422), (6604, 12211)]