81131008

素因数分解:

$2^9\times 7^1\times {\mathrm{22637}}^1$

素因数の和:22662

約数の個数: 40

約数和(自身を含む): 185269392

約数和(自身を除く): 104138384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 22637, 45274, 90548, 158459, 181096, 316918, 362192, 633836, 724384, 1267672, 1448768, 2535344, 2897536, 5070688, 5795072, 10141376, 11590144, 20282752, 40565504, 81131008]

約数ペア:

[(1, 81131008), (2, 40565504), (4, 20282752), (7, 11590144), (8, 10141376), (14, 5795072), (16, 5070688), (28, 2897536), (32, 2535344), (56, 1448768), (64, 1267672), (112, 724384), (128, 633836), (224, 362192), (256, 316918), (448, 181096), (512, 158459), (896, 90548), (1792, 45274), (3584, 22637)]