16840516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 38265696

約数和(自身を除く): 21425180

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 107, 146, 154, 196, 214, 292, 308, 428, 511, 539, 749, 803, 1022, 1078, 1177, 1498, 1606, 2044, 2156, 2354, 2996, 3212, 3577, 4708, 5243, 5621, 7154, 7811, 8239, 10486, 11242, 14308, 15622, 16478, 20972, 22484, 31244, 32956, 39347, 54677, 57673, 78694, 85921, 109354, 115346, 157388, 171842, 218708, 230692, 343684, 382739, 601447, 765478, 1202894, 1530956, 2405788, 4210129, 8420258, 16840516]

約数ペア:

[(1, 16840516), (2, 8420258), (4, 4210129), (7, 2405788), (11, 1530956), (14, 1202894), (22, 765478), (28, 601447), (44, 382739), (49, 343684), (73, 230692), (77, 218708), (98, 171842), (107, 157388), (146, 115346), (154, 109354), (196, 85921), (214, 78694), (292, 57673), (308, 54677), (428, 39347), (511, 32956), (539, 31244), (749, 22484), (803, 20972), (1022, 16478), (1078, 15622), (1177, 14308), (1498, 11242), (1606, 10486), (2044, 8239), (2156, 7811), (2354, 7154), (2996, 5621), (3212, 5243), (3577, 4708)]