172022257

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 204272640

約数和(自身を除く): 32250383

約数列:

[1, 11, 19, 61, 103, 131, 209, 671, 1133, 1159, 1441, 1957, 2489, 6283, 7991, 12749, 13493, 21527, 27379, 69113, 87901, 119377, 148423, 151829, 256367, 823073, 1313147, 1670119, 2820037, 9053803, 15638387, 172022257]

約数ペア:

[(1, 172022257), (11, 15638387), (19, 9053803), (61, 2820037), (103, 1670119), (131, 1313147), (209, 823073), (671, 256367), (1133, 151829), (1159, 148423), (1441, 119377), (1957, 87901), (2489, 69113), (6283, 27379), (7991, 21527), (12749, 13493)]