890751568

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{193979}}^1$

素因数の和:194035

約数の個数: 40

約数和(自身を含む): 2020495680

約数和(自身を除く): 1129744112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 193979, 387958, 775916, 1357853, 1551832, 2715706, 3103664, 5431412, 7953139, 10862824, 15906278, 21725648, 31812556, 55671973, 63625112, 111343946, 127250224, 222687892, 445375784, 890751568]

約数ペア:

[(1, 890751568), (2, 445375784), (4, 222687892), (7, 127250224), (8, 111343946), (14, 63625112), (16, 55671973), (28, 31812556), (41, 21725648), (56, 15906278), (82, 10862824), (112, 7953139), (164, 5431412), (287, 3103664), (328, 2715706), (574, 1551832), (656, 1357853), (1148, 775916), (2296, 387958), (4592, 193979)]