81664688

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7517}}^1$

素因数の和:7629

約数の個数: 40

約数和(自身を含む): 182717472

約数和(自身を除く): 101052784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 7517, 10864, 15034, 30068, 52619, 60136, 105238, 120272, 210476, 420952, 729149, 841904, 1458298, 2916596, 5104043, 5833192, 10208086, 11666384, 20416172, 40832344, 81664688]

約数ペア:

[(1, 81664688), (2, 40832344), (4, 20416172), (7, 11666384), (8, 10208086), (14, 5833192), (16, 5104043), (28, 2916596), (56, 1458298), (97, 841904), (112, 729149), (194, 420952), (388, 210476), (679, 120272), (776, 105238), (1358, 60136), (1552, 52619), (2716, 30068), (5432, 15034), (7517, 10864)]