81115976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1709}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 161595000

約数和(自身を除く): 80479024

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 349, 698, 1396, 1709, 2792, 3418, 5933, 6836, 11866, 13672, 23732, 29053, 47464, 58106, 116212, 232424, 596441, 1192882, 2385764, 4771528, 10139497, 20278994, 40557988, 81115976]

約数ペア:

[(1, 81115976), (2, 40557988), (4, 20278994), (8, 10139497), (17, 4771528), (34, 2385764), (68, 1192882), (136, 596441), (349, 232424), (698, 116212), (1396, 58106), (1709, 47464), (2792, 29053), (3418, 23732), (5933, 13672), (6836, 11866)]