279740776

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{161141}}^1$

素因数の和:161185

約数の個数: 32

約数和(自身を含む): 618785280

約数和(自身を除く): 339044504

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 161141, 322282, 644564, 1127987, 1289128, 2255974, 4511948, 4995371, 9023896, 9990742, 19981484, 34967597, 39962968, 69935194, 139870388, 279740776]

約数ペア:

[(1, 279740776), (2, 139870388), (4, 69935194), (7, 39962968), (8, 34967597), (14, 19981484), (28, 9990742), (31, 9023896), (56, 4995371), (62, 4511948), (124, 2255974), (217, 1289128), (248, 1127987), (434, 644564), (868, 322282), (1736, 161141)]