49020855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 90478080

約数和(自身を除く): 41457225

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 101, 131, 195, 247, 285, 303, 393, 505, 655, 741, 1235, 1313, 1515, 1703, 1919, 1965, 2489, 3705, 3939, 5109, 5757, 6565, 7467, 8515, 9595, 12445, 13231, 19695, 24947, 25545, 28785, 32357, 37335, 39693, 66155, 74841, 97071, 124735, 161785, 172003, 198465, 251389, 374205, 485355, 516009, 754167, 860015, 1256945, 2580045, 3268057, 3770835, 9804171, 16340285, 49020855]

約数ペア:

[(1, 49020855), (3, 16340285), (5, 9804171), (13, 3770835), (15, 3268057), (19, 2580045), (39, 1256945), (57, 860015), (65, 754167), (95, 516009), (101, 485355), (131, 374205), (195, 251389), (247, 198465), (285, 172003), (303, 161785), (393, 124735), (505, 97071), (655, 74841), (741, 66155), (1235, 39693), (1313, 37335), (1515, 32357), (1703, 28785), (1919, 25545), (1965, 24947), (2489, 19695), (3705, 13231), (3939, 12445), (5109, 9595), (5757, 8515), (6565, 7467)]