71897688

素因数分解:

$2^3\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1553}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 195151320

約数和(自身を除く): 123253632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 643, 1286, 1553, 1929, 2572, 3106, 3858, 4659, 5144, 5787, 6212, 7716, 9318, 11574, 12424, 13977, 15432, 18636, 23148, 27954, 37272, 46296, 55908, 111816, 998579, 1997158, 2995737, 3994316, 5991474, 7988632, 8987211, 11982948, 17974422, 23965896, 35948844, 71897688]

約数ペア:

[(1, 71897688), (2, 35948844), (3, 23965896), (4, 17974422), (6, 11982948), (8, 8987211), (9, 7988632), (12, 5991474), (18, 3994316), (24, 2995737), (36, 1997158), (72, 998579), (643, 111816), (1286, 55908), (1553, 46296), (1929, 37272), (2572, 27954), (3106, 23148), (3858, 18636), (4659, 15432), (5144, 13977), (5787, 12424), (6212, 11574), (7716, 9318)]