66278872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1789}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 135968400

約数和(自身を除く): 69689528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 842, 1684, 1789, 3368, 3578, 4631, 7156, 9262, 14312, 18524, 19679, 37048, 39358, 78716, 157432, 753169, 1506338, 3012676, 6025352, 8284859, 16569718, 33139436, 66278872]

約数ペア:

[(1, 66278872), (2, 33139436), (4, 16569718), (8, 8284859), (11, 6025352), (22, 3012676), (44, 1506338), (88, 753169), (421, 157432), (842, 78716), (1684, 39358), (1789, 37048), (3368, 19679), (3578, 18524), (4631, 14312), (7156, 9262)]