1880490535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157561}}^1$

素因数の和:157615

約数の個数: 32

約数和(自身を含む): 2904182784

約数和(自身を除く): 1023692249

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 11935, 157561, 787805, 1102927, 1733171, 4884391, 5514635, 8665855, 12132197, 24421955, 34190737, 53728301, 60660985, 170953685, 268641505, 376098107, 1880490535]

約数ペア:

[(1, 1880490535), (5, 376098107), (7, 268641505), (11, 170953685), (31, 60660985), (35, 53728301), (55, 34190737), (77, 24421955), (155, 12132197), (217, 8665855), (341, 5514635), (385, 4884391), (1085, 1733171), (1705, 1102927), (2387, 787805), (11935, 157561)]