166997545

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 251370000

約数和(自身を除く): 84372455

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 121, 143, 187, 221, 605, 715, 935, 1105, 1249, 1573, 2057, 2431, 6245, 7865, 10285, 12155, 13739, 16237, 21233, 26741, 68695, 81185, 106165, 133705, 151129, 178607, 233563, 276029, 755645, 893035, 1167815, 1380145, 1964677, 2569193, 3036319, 9823385, 12845965, 15181595, 33399509, 166997545]

約数ペア:

[(1, 166997545), (5, 33399509), (11, 15181595), (13, 12845965), (17, 9823385), (55, 3036319), (65, 2569193), (85, 1964677), (121, 1380145), (143, 1167815), (187, 893035), (221, 755645), (605, 276029), (715, 233563), (935, 178607), (1105, 151129), (1249, 133705), (1573, 106165), (2057, 81185), (2431, 68695), (6245, 26741), (7865, 21233), (10285, 16237), (12155, 13739)]