1997346722

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{3137}}^1$

素因数の和:3315

約数の個数: 48

約数和(自身を含む): 3573742680

約数和(自身を除く): 1576395958

約数列:

[1, 2, 7, 14, 49, 73, 89, 98, 146, 178, 511, 623, 1022, 1246, 3137, 3577, 4361, 6274, 6497, 7154, 8722, 12994, 21959, 43918, 45479, 90958, 153713, 229001, 279193, 307426, 318353, 458002, 558386, 636706, 1603007, 1954351, 3206014, 3908702, 11221049, 13680457, 20381089, 22442098, 27360914, 40762178, 142667623, 285335246, 998673361, 1997346722]

約数ペア:

[(1, 1997346722), (2, 998673361), (7, 285335246), (14, 142667623), (49, 40762178), (73, 27360914), (89, 22442098), (98, 20381089), (146, 13680457), (178, 11221049), (511, 3908702), (623, 3206014), (1022, 1954351), (1246, 1603007), (3137, 636706), (3577, 558386), (4361, 458002), (6274, 318353), (6497, 307426), (7154, 279193), (8722, 229001), (12994, 153713), (21959, 90958), (43918, 45479)]