128873185

素因数分解:

$5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{2297}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 180760680

約数和(自身を除く): 51887495

約数列:

[1, 5, 7, 35, 49, 229, 245, 1145, 1603, 2297, 8015, 11221, 11485, 16079, 56105, 80395, 112553, 526013, 562765, 2630065, 3682091, 18410455, 25774637, 128873185]

約数ペア:

[(1, 128873185), (5, 25774637), (7, 18410455), (35, 3682091), (49, 2630065), (229, 562765), (245, 526013), (1145, 112553), (1603, 80395), (2297, 56105), (8015, 16079), (11221, 11485)]