131121650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{21673}}^1$

素因数の和:21707

約数の個数: 36

約数和(自身を含む): 268085706

約数和(自身を除く): 136964056

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 6050, 21673, 43346, 108365, 216730, 238403, 476806, 541825, 1083650, 1192015, 2384030, 2622433, 5244866, 5960075, 11920150, 13112165, 26224330, 65560825, 131121650]

約数ペア:

[(1, 131121650), (2, 65560825), (5, 26224330), (10, 13112165), (11, 11920150), (22, 5960075), (25, 5244866), (50, 2622433), (55, 2384030), (110, 1192015), (121, 1083650), (242, 541825), (275, 476806), (550, 238403), (605, 216730), (1210, 108365), (3025, 43346), (6050, 21673)]