279103664

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{80387}}^1$

素因数の和:80433

約数の個数: 40

約数和(自身を含む): 637959168

約数和(自身を除く): 358855504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 80387, 160774, 321548, 562709, 643096, 1125418, 1286192, 2250836, 2491997, 4501672, 4983994, 9003344, 9967988, 17443979, 19935976, 34887958, 39871952, 69775916, 139551832, 279103664]

約数ペア:

[(1, 279103664), (2, 139551832), (4, 69775916), (7, 39871952), (8, 34887958), (14, 19935976), (16, 17443979), (28, 9967988), (31, 9003344), (56, 4983994), (62, 4501672), (112, 2491997), (124, 2250836), (217, 1286192), (248, 1125418), (434, 643096), (496, 562709), (868, 321548), (1736, 160774), (3472, 80387)]