639102674

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{1409}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 1108598400

約数和(自身を除く): 469495726

約数列:

[1, 2, 7, 14, 179, 181, 358, 362, 1253, 1267, 1409, 2506, 2534, 2818, 9863, 19726, 32399, 64798, 226793, 252211, 255029, 453586, 504422, 510058, 1765477, 1785203, 3530954, 3570406, 45650191, 91300382, 319551337, 639102674]

約数ペア:

[(1, 639102674), (2, 319551337), (7, 91300382), (14, 45650191), (179, 3570406), (181, 3530954), (358, 1785203), (362, 1765477), (1253, 510058), (1267, 504422), (1409, 453586), (2506, 255029), (2534, 252211), (2818, 226793), (9863, 64798), (19726, 32399)]