247215924

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{251}}^2$

素因数の和:621

約数の個数: 54

約数和(自身を含む): 633162530

約数和(自身を除く): 385946606

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 251, 327, 436, 502, 654, 753, 981, 1004, 1308, 1506, 1962, 2259, 3012, 3924, 4518, 9036, 27359, 54718, 63001, 82077, 109436, 126002, 164154, 189003, 246231, 252004, 328308, 378006, 492462, 567009, 756012, 984924, 1134018, 2268036, 6867109, 13734218, 20601327, 27468436, 41202654, 61803981, 82405308, 123607962, 247215924]

約数ペア:

[(1, 247215924), (2, 123607962), (3, 82405308), (4, 61803981), (6, 41202654), (9, 27468436), (12, 20601327), (18, 13734218), (36, 6867109), (109, 2268036), (218, 1134018), (251, 984924), (327, 756012), (436, 567009), (502, 492462), (654, 378006), (753, 328308), (981, 252004), (1004, 246231), (1308, 189003), (1506, 164154), (1962, 126002), (2259, 109436), (3012, 82077), (3924, 63001), (4518, 54718), (9036, 27359)]