157819445

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4050

約数の個数: 32

約数和(自身を含む): 230515200

約数和(自身を除く): 72695755

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 805, 1127, 1715, 4001, 5635, 7889, 20005, 28007, 39445, 92023, 140035, 196049, 460115, 644161, 980245, 1372343, 3220805, 4509127, 6861715, 22545635, 31563889, 157819445]

約数ペア:

[(1, 157819445), (5, 31563889), (7, 22545635), (23, 6861715), (35, 4509127), (49, 3220805), (115, 1372343), (161, 980245), (245, 644161), (343, 460115), (805, 196049), (1127, 140035), (1715, 92023), (4001, 39445), (5635, 28007), (7889, 20005)]