488969845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 767047680

約数和(自身を除く): 278077835

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 163, 247, 347, 455, 665, 815, 1141, 1235, 1729, 1735, 2119, 2429, 3097, 4511, 5705, 6593, 8645, 10595, 12145, 14833, 15485, 21679, 22555, 31577, 32965, 40261, 46151, 56561, 74165, 85709, 108395, 157885, 201305, 230755, 281827, 282805, 395927, 428545, 599963, 735293, 1074659, 1409135, 1979635, 2999815, 3676465, 5147051, 5373295, 7522613, 13970567, 25735255, 37613065, 69852835, 97793969, 488969845]

約数ペア:

[(1, 488969845), (5, 97793969), (7, 69852835), (13, 37613065), (19, 25735255), (35, 13970567), (65, 7522613), (91, 5373295), (95, 5147051), (133, 3676465), (163, 2999815), (247, 1979635), (347, 1409135), (455, 1074659), (665, 735293), (815, 599963), (1141, 428545), (1235, 395927), (1729, 282805), (1735, 281827), (2119, 230755), (2429, 201305), (3097, 157885), (4511, 108395), (5705, 85709), (6593, 74165), (8645, 56561), (10595, 46151), (12145, 40261), (14833, 32965), (15485, 31577), (21679, 22555)]