398759384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{13183}}^1$

素因数の和:13407

約数の個数: 32

約数和(自身を含む): 791040000

約数和(自身を除く): 392280616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 3781, 7562, 13183, 15124, 26366, 30248, 52732, 105464, 250477, 500954, 1001908, 2003816, 2623417, 5246834, 10493668, 20987336, 49844923, 99689846, 199379692, 398759384]

約数ペア:

[(1, 398759384), (2, 199379692), (4, 99689846), (8, 49844923), (19, 20987336), (38, 10493668), (76, 5246834), (152, 2623417), (199, 2003816), (398, 1001908), (796, 500954), (1592, 250477), (3781, 105464), (7562, 52732), (13183, 30248), (15124, 26366)]