78427210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{8161}}^1$

素因数の和:8230

約数の個数: 24

約数和(自身を含む): 145887588

約数和(自身を除く): 67460378

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 8161, 9610, 16322, 40805, 81610, 252991, 505982, 1264955, 2529910, 7842721, 15685442, 39213605, 78427210]

約数ペア:

[(1, 78427210), (2, 39213605), (5, 15685442), (10, 7842721), (31, 2529910), (62, 1264955), (155, 505982), (310, 252991), (961, 81610), (1922, 40805), (4805, 16322), (8161, 9610)]