27943930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 57666816

約数和(自身を除く): 29722886

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 617, 647, 1234, 1294, 3085, 3235, 4319, 4529, 6170, 6470, 8638, 9058, 21595, 22645, 43190, 45290, 399199, 798398, 1995995, 2794393, 3991990, 5588786, 13971965, 27943930]

約数ペア:

[(1, 27943930), (2, 13971965), (5, 5588786), (7, 3991990), (10, 2794393), (14, 1995995), (35, 798398), (70, 399199), (617, 45290), (647, 43190), (1234, 22645), (1294, 21595), (3085, 9058), (3235, 8638), (4319, 6470), (4529, 6170)]