128436804

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{18679}}^1$

素因数の和:18880

約数の個数: 36

約数和(自身を含む): 326376960

約数和(自身を除く): 197940156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 3438, 6876, 18679, 37358, 56037, 74716, 112074, 168111, 224148, 336222, 672444, 3567689, 7135378, 10703067, 14270756, 21406134, 32109201, 42812268, 64218402, 128436804]

約数ペア:

[(1, 128436804), (2, 64218402), (3, 42812268), (4, 32109201), (6, 21406134), (9, 14270756), (12, 10703067), (18, 7135378), (36, 3567689), (191, 672444), (382, 336222), (573, 224148), (764, 168111), (1146, 112074), (1719, 74716), (2292, 56037), (3438, 37358), (6876, 18679)]