79280008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2621}}^1$

素因数の和:2845

約数の個数: 32

約数和(自身を含む): 157320000

約数和(自身を除く): 78039992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 2621, 3781, 5242, 7562, 10484, 15124, 20968, 30248, 49799, 99598, 199196, 398392, 521579, 1043158, 2086316, 4172632, 9910001, 19820002, 39640004, 79280008]

約数ペア:

[(1, 79280008), (2, 39640004), (4, 19820002), (8, 9910001), (19, 4172632), (38, 2086316), (76, 1043158), (152, 521579), (199, 398392), (398, 199196), (796, 99598), (1592, 49799), (2621, 30248), (3781, 20968), (5242, 15124), (7562, 10484)]