398861808

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{193247}}^1$

素因数の和:193301

約数の個数: 40

約数和(自身を含む): 1054361088

約数和(自身を除く): 655499280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 193247, 386494, 579741, 772988, 1159482, 1545976, 2318964, 3091952, 4637928, 8309621, 9275856, 16619242, 24928863, 33238484, 49857726, 66476968, 99715452, 132953936, 199430904, 398861808]

約数ペア:

[(1, 398861808), (2, 199430904), (3, 132953936), (4, 99715452), (6, 66476968), (8, 49857726), (12, 33238484), (16, 24928863), (24, 16619242), (43, 9275856), (48, 8309621), (86, 4637928), (129, 3091952), (172, 2318964), (258, 1545976), (344, 1159482), (516, 772988), (688, 579741), (1032, 386494), (2064, 193247)]