68904688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1657}}^1$

素因数の和:1801

約数の個数: 40

約数和(自身を含む): 140624928

約数和(自身を除く): 71720240

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 113, 184, 226, 368, 452, 904, 1657, 1808, 2599, 3314, 5198, 6628, 10396, 13256, 20792, 26512, 38111, 41584, 76222, 152444, 187241, 304888, 374482, 609776, 748964, 1497928, 2995856, 4306543, 8613086, 17226172, 34452344, 68904688]

約数ペア:

[(1, 68904688), (2, 34452344), (4, 17226172), (8, 8613086), (16, 4306543), (23, 2995856), (46, 1497928), (92, 748964), (113, 609776), (184, 374482), (226, 304888), (368, 187241), (452, 152444), (904, 76222), (1657, 41584), (1808, 38111), (2599, 26512), (3314, 20792), (5198, 13256), (6628, 10396)]