205221968

素因数分解:

$2^4\times 7^1\times {\mathrm{571}}^1\times {\mathrm{3209}}^1$

素因数の和:3795

約数の個数: 40

約数和(自身を含む): 455357760

約数和(自身を除く): 250135792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 571, 1142, 2284, 3209, 3997, 4568, 6418, 7994, 9136, 12836, 15988, 22463, 25672, 31976, 44926, 51344, 63952, 89852, 179704, 359408, 1832339, 3664678, 7329356, 12826373, 14658712, 25652746, 29317424, 51305492, 102610984, 205221968]

約数ペア:

[(1, 205221968), (2, 102610984), (4, 51305492), (7, 29317424), (8, 25652746), (14, 14658712), (16, 12826373), (28, 7329356), (56, 3664678), (112, 1832339), (571, 359408), (1142, 179704), (2284, 89852), (3209, 63952), (3997, 51344), (4568, 44926), (6418, 31976), (7994, 25672), (9136, 22463), (12836, 15988)]