728715679979

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1\times {\mathrm{10427}}^1$

素因数の和:11008

約数の個数: 48

約数和(自身を含む): 898916958720

約数和(自身を除く): 170201278741

約数列:

[1, 7, 19, 49, 133, 271, 277, 931, 1897, 1939, 5149, 5263, 10427, 13279, 13573, 36043, 36841, 72989, 75067, 198113, 252301, 257887, 510923, 525469, 1386791, 1426273, 2825717, 2888279, 3678283, 9707537, 9983911, 19780019, 20217953, 53688623, 54877301, 69887377, 138460133, 141525671, 375820361, 384141107, 782723609, 2630742527, 2688987749, 5479065263, 14871748571, 38353456841, 104102239997, 728715679979]

約数ペア:

[(1, 728715679979), (7, 104102239997), (19, 38353456841), (49, 14871748571), (133, 5479065263), (271, 2688987749), (277, 2630742527), (931, 782723609), (1897, 384141107), (1939, 375820361), (5149, 141525671), (5263, 138460133), (10427, 69887377), (13279, 54877301), (13573, 53688623), (36043, 20217953), (36841, 19780019), (72989, 9983911), (75067, 9707537), (198113, 3678283), (252301, 2888279), (257887, 2825717), (510923, 1426273), (525469, 1386791)]