213691408

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{28477}}^1$

素因数の和:28559

約数の個数: 40

約数和(自身を含む): 480252992

約数和(自身を除く): 266561584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 28477, 56954, 113908, 199339, 227816, 398678, 455632, 797356, 1594712, 1907959, 3189424, 3815918, 7631836, 13355713, 15263672, 26711426, 30527344, 53422852, 106845704, 213691408]

約数ペア:

[(1, 213691408), (2, 106845704), (4, 53422852), (7, 30527344), (8, 26711426), (14, 15263672), (16, 13355713), (28, 7631836), (56, 3815918), (67, 3189424), (112, 1907959), (134, 1594712), (268, 797356), (469, 455632), (536, 398678), (938, 227816), (1072, 199339), (1876, 113908), (3752, 56954), (7504, 28477)]