68440424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1609}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 138621000

約数和(自身を除く): 70180576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1609, 1636, 3218, 3272, 5317, 6436, 10634, 12872, 20917, 21268, 41834, 42536, 83668, 167336, 658081, 1316162, 2632324, 5264648, 8555053, 17110106, 34220212, 68440424]

約数ペア:

[(1, 68440424), (2, 34220212), (4, 17110106), (8, 8555053), (13, 5264648), (26, 2632324), (52, 1316162), (104, 658081), (409, 167336), (818, 83668), (1609, 42536), (1636, 41834), (3218, 21268), (3272, 20917), (5317, 12872), (6436, 10634)]