28721490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{136769}}^1$

素因数の和:136786

約数の個数: 32

約数和(自身を含む): 78779520

約数和(自身を除く): 50058030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 136769, 273538, 410307, 683845, 820614, 957383, 1367690, 1914766, 2051535, 2872149, 4103070, 4786915, 5744298, 9573830, 14360745, 28721490]

約数ペア:

[(1, 28721490), (2, 14360745), (3, 9573830), (5, 5744298), (6, 4786915), (7, 4103070), (10, 2872149), (14, 2051535), (15, 1914766), (21, 1367690), (30, 957383), (35, 820614), (42, 683845), (70, 410307), (105, 273538), (210, 136769)]