224739728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1289}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 462124440

約数和(自身を除く): 237384712

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 641, 1282, 1289, 2564, 2578, 5128, 5156, 10256, 10312, 10897, 20624, 21794, 21913, 43588, 43826, 87176, 87652, 174352, 175304, 350608, 826249, 1652498, 3304996, 6609992, 13219984, 14046233, 28092466, 56184932, 112369864, 224739728]

約数ペア:

[(1, 224739728), (2, 112369864), (4, 56184932), (8, 28092466), (16, 14046233), (17, 13219984), (34, 6609992), (68, 3304996), (136, 1652498), (272, 826249), (641, 350608), (1282, 175304), (1289, 174352), (2564, 87652), (2578, 87176), (5128, 43826), (5156, 43588), (10256, 21913), (10312, 21794), (10897, 20624)]