156728131

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{19973}}^1$

素因数の和:20058

約数の個数: 16

約数和(自身を含む): 191750400

約数和(自身を除く): 35022269

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 19973, 139811, 379487, 1178407, 2656409, 8248849, 22389733, 156728131]

約数ペア:

[(1, 156728131), (7, 22389733), (19, 8248849), (59, 2656409), (133, 1178407), (413, 379487), (1121, 139811), (7847, 19973)]