209972056

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{2719}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 460468800

約数和(自身を除く): 250496744

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 392, 394, 788, 1379, 1576, 2719, 2758, 5438, 5516, 9653, 10876, 11032, 19033, 19306, 21752, 38066, 38612, 76132, 77224, 133231, 152264, 266462, 532924, 535643, 1065848, 1071286, 2142572, 3749501, 4285144, 7499002, 14998004, 26246507, 29996008, 52493014, 104986028, 209972056]

約数ペア:

[(1, 209972056), (2, 104986028), (4, 52493014), (7, 29996008), (8, 26246507), (14, 14998004), (28, 7499002), (49, 4285144), (56, 3749501), (98, 2142572), (196, 1071286), (197, 1065848), (392, 535643), (394, 532924), (788, 266462), (1379, 152264), (1576, 133231), (2719, 77224), (2758, 76132), (5438, 38612), (5516, 38066), (9653, 21752), (10876, 19306), (11032, 19033)]