11826815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 8494465

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 139, 143, 187, 221, 385, 455, 595, 695, 715, 935, 973, 1001, 1105, 1309, 1529, 1547, 1807, 2363, 2431, 4865, 5005, 6545, 7645, 7735, 9035, 10703, 11815, 12155, 12649, 16541, 17017, 19877, 25993, 30719, 53515, 63245, 82705, 85085, 99385, 129965, 139139, 153595, 181951, 215033, 337909, 695695, 909755, 1075165, 1689545, 2365363, 11826815]

約数ペア:

[(1, 11826815), (5, 2365363), (7, 1689545), (11, 1075165), (13, 909755), (17, 695695), (35, 337909), (55, 215033), (65, 181951), (77, 153595), (85, 139139), (91, 129965), (119, 99385), (139, 85085), (143, 82705), (187, 63245), (221, 53515), (385, 30719), (455, 25993), (595, 19877), (695, 17017), (715, 16541), (935, 12649), (973, 12155), (1001, 11815), (1105, 10703), (1309, 9035), (1529, 7735), (1547, 7645), (1807, 6545), (2363, 5005), (2431, 4865)]