68398385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 101779200

約数和(自身を除く): 33380815

約数列:

[1, 5, 11, 19, 29, 37, 55, 61, 95, 145, 185, 209, 305, 319, 407, 551, 671, 703, 1045, 1073, 1159, 1595, 1769, 2035, 2257, 2755, 3355, 3515, 5365, 5795, 6061, 7733, 8845, 11285, 11803, 12749, 19459, 20387, 24827, 30305, 33611, 38665, 42883, 59015, 63745, 65453, 97295, 101935, 124135, 168055, 214415, 224257, 327265, 369721, 471713, 719983, 1121285, 1243607, 1848605, 2358565, 3599915, 6218035, 13679677, 68398385]

約数ペア:

[(1, 68398385), (5, 13679677), (11, 6218035), (19, 3599915), (29, 2358565), (37, 1848605), (55, 1243607), (61, 1121285), (95, 719983), (145, 471713), (185, 369721), (209, 327265), (305, 224257), (319, 214415), (407, 168055), (551, 124135), (671, 101935), (703, 97295), (1045, 65453), (1073, 63745), (1159, 59015), (1595, 42883), (1769, 38665), (2035, 33611), (2257, 30305), (2755, 24827), (3355, 20387), (3515, 19459), (5365, 12749), (5795, 11803), (6061, 11285), (7733, 8845)]