815900902

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 1278172224

約数和(自身を除く): 462271322

約数列:

[1, 2, 41, 71, 82, 142, 353, 397, 706, 794, 2911, 5822, 14473, 16277, 25063, 28187, 28946, 32554, 50126, 56374, 140141, 280282, 1027583, 1155667, 2055166, 2311334, 5745781, 9950011, 11491562, 19900022, 407950451, 815900902]

約数ペア:

[(1, 815900902), (2, 407950451), (41, 19900022), (71, 11491562), (82, 9950011), (142, 5745781), (353, 2311334), (397, 2055166), (706, 1155667), (794, 1027583), (2911, 280282), (5822, 140141), (14473, 56374), (16277, 50126), (25063, 32554), (28187, 28946)]