738893390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{21713}}^1$

素因数の和:21844

約数の個数: 32

約数和(自身を含む): 1378925856

約数和(自身を除く): 640032466

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 410, 415, 830, 3403, 6806, 17015, 21713, 34030, 43426, 108565, 217130, 890233, 1780466, 1802179, 3604358, 4451165, 8902330, 9010895, 18021790, 73889339, 147778678, 369446695, 738893390]

約数ペア:

[(1, 738893390), (2, 369446695), (5, 147778678), (10, 73889339), (41, 18021790), (82, 9010895), (83, 8902330), (166, 4451165), (205, 3604358), (410, 1802179), (415, 1780466), (830, 890233), (3403, 217130), (6806, 108565), (17015, 43426), (21713, 34030)]