69720784

素因数分解:

$2^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1223}}^1$

素因数の和:1747

約数の個数: 40

約数和(自身を含む): 154811520

約数和(自身を除く): 85090736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 509, 1018, 1223, 2036, 2446, 3563, 4072, 4892, 7126, 8144, 8561, 9784, 14252, 17122, 19568, 28504, 34244, 57008, 68488, 136976, 622507, 1245014, 2490028, 4357549, 4980056, 8715098, 9960112, 17430196, 34860392, 69720784]

約数ペア:

[(1, 69720784), (2, 34860392), (4, 17430196), (7, 9960112), (8, 8715098), (14, 4980056), (16, 4357549), (28, 2490028), (56, 1245014), (112, 622507), (509, 136976), (1018, 68488), (1223, 57008), (2036, 34244), (2446, 28504), (3563, 19568), (4072, 17122), (4892, 14252), (7126, 9784), (8144, 8561)]