1321783490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131783}}^1$

素因数の和:131866

約数の個数: 32

約数和(自身を含む): 2561880960

約数和(自身を除く): 1240097470

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 5015, 10030, 131783, 263566, 658915, 1317830, 2240311, 4480622, 7775197, 11201555, 15550394, 22403110, 38875985, 77751970, 132178349, 264356698, 660891745, 1321783490]

約数ペア:

[(1, 1321783490), (2, 660891745), (5, 264356698), (10, 132178349), (17, 77751970), (34, 38875985), (59, 22403110), (85, 15550394), (118, 11201555), (170, 7775197), (295, 4480622), (590, 2240311), (1003, 1317830), (2006, 658915), (5015, 263566), (10030, 131783)]