642022928

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{2671}}^1$

素因数の和:2943

約数の個数: 40

約数和(自身を含む): 1266335616

約数和(自身を除く): 624312688

約数列:

[1, 2, 4, 8, 16, 83, 166, 181, 332, 362, 664, 724, 1328, 1448, 2671, 2896, 5342, 10684, 15023, 21368, 30046, 42736, 60092, 120184, 221693, 240368, 443386, 483451, 886772, 966902, 1773544, 1933804, 3547088, 3867608, 7735216, 40126433, 80252866, 160505732, 321011464, 642022928]

約数ペア:

[(1, 642022928), (2, 321011464), (4, 160505732), (8, 80252866), (16, 40126433), (83, 7735216), (166, 3867608), (181, 3547088), (332, 1933804), (362, 1773544), (664, 966902), (724, 886772), (1328, 483451), (1448, 443386), (2671, 240368), (2896, 221693), (5342, 120184), (10684, 60092), (15023, 42736), (21368, 30046)]