71131478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 123120000

約数和(自身を除く): 51988522

約数列:

[1, 2, 11, 19, 22, 38, 209, 379, 418, 449, 758, 898, 4169, 4939, 7201, 8338, 8531, 9878, 14402, 17062, 79211, 93841, 158422, 170171, 187682, 340342, 1871881, 3233249, 3743762, 6466498, 35565739, 71131478]

約数ペア:

[(1, 71131478), (2, 35565739), (11, 6466498), (19, 3743762), (22, 3233249), (38, 1871881), (209, 340342), (379, 187682), (418, 170171), (449, 158422), (758, 93841), (898, 79211), (4169, 17062), (4939, 14402), (7201, 9878), (8338, 8531)]