28090116

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{4787}}^1$

素因数の和:4960

約数の個数: 36

約数和(自身を含む): 71456112

約数和(自身を除く): 43365996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 4787, 5868, 9574, 14361, 19148, 28722, 43083, 57444, 86166, 172332, 780281, 1560562, 2340843, 3121124, 4681686, 7022529, 9363372, 14045058, 28090116]

約数ペア:

[(1, 28090116), (2, 14045058), (3, 9363372), (4, 7022529), (6, 4681686), (9, 3121124), (12, 2340843), (18, 1560562), (36, 780281), (163, 172332), (326, 86166), (489, 57444), (652, 43083), (978, 28722), (1467, 19148), (1956, 14361), (2934, 9574), (4787, 5868)]