81718444

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{1723}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 145974528

約数和(自身を除く): 64256084

約数列:

[1, 2, 4, 71, 142, 167, 284, 334, 668, 1723, 3446, 6892, 11857, 23714, 47428, 122333, 244666, 287741, 489332, 575482, 1150964, 20429611, 40859222, 81718444]

約数ペア:

[(1, 81718444), (2, 40859222), (4, 20429611), (71, 1150964), (142, 575482), (167, 489332), (284, 287741), (334, 244666), (668, 122333), (1723, 47428), (3446, 23714), (6892, 11857)]