2199505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1221935

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 197, 203, 319, 385, 985, 1015, 1379, 1595, 2167, 2233, 5713, 6895, 10835, 11165, 15169, 28565, 39991, 62843, 75845, 199955, 314215, 439901, 2199505]

約数ペア:

[(1, 2199505), (5, 439901), (7, 314215), (11, 199955), (29, 75845), (35, 62843), (55, 39991), (77, 28565), (145, 15169), (197, 11165), (203, 10835), (319, 6895), (385, 5713), (985, 2233), (1015, 2167), (1379, 1595)]