16989290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 33734232

約数和(自身を除く): 16744942

約数列:

[1, 2, 5, 10, 17, 34, 37, 73, 74, 85, 146, 170, 185, 365, 370, 629, 730, 1241, 1258, 1369, 2482, 2701, 2738, 3145, 5402, 6205, 6290, 6845, 12410, 13505, 13690, 23273, 27010, 45917, 46546, 91834, 99937, 116365, 199874, 229585, 232730, 459170, 499685, 999370, 1698929, 3397858, 8494645, 16989290]

約数ペア:

[(1, 16989290), (2, 8494645), (5, 3397858), (10, 1698929), (17, 999370), (34, 499685), (37, 459170), (73, 232730), (74, 229585), (85, 199874), (146, 116365), (170, 99937), (185, 91834), (365, 46546), (370, 45917), (629, 27010), (730, 23273), (1241, 13690), (1258, 13505), (1369, 12410), (2482, 6845), (2701, 6290), (2738, 6205), (3145, 5402)]