68646884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 130246956

約数和(自身を除く): 61600072

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 457, 799, 914, 1598, 1828, 2209, 3196, 4418, 7769, 8836, 15538, 21479, 31076, 37553, 42958, 75106, 85916, 150212, 365143, 730286, 1009513, 1460572, 2019026, 4038052, 17161721, 34323442, 68646884]

約数ペア:

[(1, 68646884), (2, 34323442), (4, 17161721), (17, 4038052), (34, 2019026), (47, 1460572), (68, 1009513), (94, 730286), (188, 365143), (457, 150212), (799, 85916), (914, 75106), (1598, 42958), (1828, 37553), (2209, 31076), (3196, 21479), (4418, 15538), (7769, 8836)]