221401421

素因数分解:

${\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 238883904

約数和(自身を除く): 17482483

約数列:

[1, 17, 83, 173, 907, 1411, 2941, 14359, 15419, 75281, 156911, 244103, 1279777, 2667487, 13023613, 221401421]

約数ペア:

[(1, 221401421), (17, 13023613), (83, 2667487), (173, 1279777), (907, 244103), (1411, 156911), (2941, 75281), (14359, 15419)]