200720198

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1429}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 351436800

約数和(自身を除く): 150716602

約数列:

[1, 2, 7, 14, 79, 127, 158, 254, 553, 889, 1106, 1429, 1778, 2858, 10003, 10033, 20006, 20066, 70231, 112891, 140462, 181483, 225782, 362966, 790237, 1270381, 1580474, 2540762, 14337157, 28674314, 100360099, 200720198]

約数ペア:

[(1, 200720198), (2, 100360099), (7, 28674314), (14, 14337157), (79, 2540762), (127, 1580474), (158, 1270381), (254, 790237), (553, 362966), (889, 225782), (1106, 181483), (1429, 140462), (1778, 112891), (2858, 70231), (10003, 20066), (10033, 20006)]