219601552

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{87421}}^1$

素因数の和:87586

約数の個数: 20

約数和(自身を含む): 428192956

約数和(自身を除く): 208591404

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 87421, 174842, 349684, 699368, 1398736, 13725097, 27450194, 54900388, 109800776, 219601552]

約数ペア:

[(1, 219601552), (2, 109800776), (4, 54900388), (8, 27450194), (16, 13725097), (157, 1398736), (314, 699368), (628, 349684), (1256, 174842), (2512, 87421)]