721431982

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 1127206080

約数和(自身を除く): 405774098

約数列:

[1, 2, 41, 82, 103, 206, 229, 373, 458, 746, 4223, 8446, 9389, 15293, 18778, 23587, 30586, 38419, 47174, 76838, 85417, 170834, 967067, 1575179, 1934134, 3150358, 3502097, 7004194, 8797951, 17595902, 360715991, 721431982]

約数ペア:

[(1, 721431982), (2, 360715991), (41, 17595902), (82, 8797951), (103, 7004194), (206, 3502097), (229, 3150358), (373, 1934134), (458, 1575179), (746, 967067), (4223, 170834), (8446, 85417), (9389, 76838), (15293, 47174), (18778, 38419), (23587, 30586)]