68111504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{499}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 139500000

約数和(自身を除く): 71388496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 449, 499, 898, 998, 1796, 1996, 3592, 3992, 7184, 7984, 8531, 9481, 17062, 18962, 34124, 37924, 68248, 75848, 136496, 151696, 224051, 448102, 896204, 1792408, 3584816, 4256969, 8513938, 17027876, 34055752, 68111504]

約数ペア:

[(1, 68111504), (2, 34055752), (4, 17027876), (8, 8513938), (16, 4256969), (19, 3584816), (38, 1792408), (76, 896204), (152, 448102), (304, 224051), (449, 151696), (499, 136496), (898, 75848), (998, 68248), (1796, 37924), (1996, 34124), (3592, 18962), (3992, 17062), (7184, 9481), (7984, 8531)]