207864170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{2789}}^1$

素因数の和:3082

約数の個数: 32

約数和(自身を含む): 388702800

約数和(自身を除く): 180838630

約数列:

[1, 2, 5, 10, 29, 58, 145, 257, 290, 514, 1285, 2570, 2789, 5578, 7453, 13945, 14906, 27890, 37265, 74530, 80881, 161762, 404405, 716773, 808810, 1433546, 3583865, 7167730, 20786417, 41572834, 103932085, 207864170]

約数ペア:

[(1, 207864170), (2, 103932085), (5, 41572834), (10, 20786417), (29, 7167730), (58, 3583865), (145, 1433546), (257, 808810), (290, 716773), (514, 404405), (1285, 161762), (2570, 80881), (2789, 74530), (5578, 37265), (7453, 27890), (13945, 14906)]