2191555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 32

約数和(自身を含む): 3110400

約数和(自身を除く): 918845

約数列:

[1, 5, 17, 19, 23, 59, 85, 95, 115, 295, 323, 391, 437, 1003, 1121, 1357, 1615, 1955, 2185, 5015, 5605, 6785, 7429, 19057, 23069, 25783, 37145, 95285, 115345, 128915, 438311, 2191555]

約数ペア:

[(1, 2191555), (5, 438311), (17, 128915), (19, 115345), (23, 95285), (59, 37145), (85, 25783), (95, 23069), (115, 19057), (295, 7429), (323, 6785), (391, 5605), (437, 5015), (1003, 2185), (1121, 1955), (1357, 1615)]