989974864

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{3533}}^1$

素因数の和:3835

約数の個数: 40

約数和(自身を含む): 1950937632

約数和(自身を除く): 960962768

約数列:

[1, 2, 4, 8, 16, 83, 166, 211, 332, 422, 664, 844, 1328, 1688, 3376, 3533, 7066, 14132, 17513, 28264, 35026, 56528, 70052, 140104, 280208, 293239, 586478, 745463, 1172956, 1490926, 2345912, 2981852, 4691824, 5963704, 11927408, 61873429, 123746858, 247493716, 494987432, 989974864]

約数ペア:

[(1, 989974864), (2, 494987432), (4, 247493716), (8, 123746858), (16, 61873429), (83, 11927408), (166, 5963704), (211, 4691824), (332, 2981852), (422, 2345912), (664, 1490926), (844, 1172956), (1328, 745463), (1688, 586478), (3376, 293239), (3533, 280208), (7066, 140104), (14132, 70052), (17513, 56528), (28264, 35026)]