199400215

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4967}}^1$

素因数の和:5047

約数の個数: 32

約数和(自身を含む): 289972224

約数和(自身を除く): 90572009

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 1085, 1147, 1295, 4967, 5735, 8029, 24835, 34769, 40145, 153977, 173845, 183779, 769885, 918895, 1077839, 1286453, 5389195, 5697149, 6432265, 28485745, 39880043, 199400215]

約数ペア:

[(1, 199400215), (5, 39880043), (7, 28485745), (31, 6432265), (35, 5697149), (37, 5389195), (155, 1286453), (185, 1077839), (217, 918895), (259, 769885), (1085, 183779), (1147, 173845), (1295, 153977), (4967, 40145), (5735, 34769), (8029, 24835)]