71721208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{911}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 145172160

約数和(自身を除く): 73450952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 757, 911, 1514, 1822, 3028, 3644, 6056, 7288, 9841, 11843, 19682, 23686, 39364, 47372, 78728, 94744, 689627, 1379254, 2758508, 5517016, 8965151, 17930302, 35860604, 71721208]

約数ペア:

[(1, 71721208), (2, 35860604), (4, 17930302), (8, 8965151), (13, 5517016), (26, 2758508), (52, 1379254), (104, 689627), (757, 94744), (911, 78728), (1514, 47372), (1822, 39364), (3028, 23686), (3644, 19682), (6056, 11843), (7288, 9841)]