647432870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9249041}}^1$

素因数の和:9249055

約数の個数: 16

約数和(自身を含む): 1331862048

約数和(自身を除く): 684429178

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9249041, 18498082, 46245205, 64743287, 92490410, 129486574, 323716435, 647432870]

約数ペア:

[(1, 647432870), (2, 323716435), (5, 129486574), (7, 92490410), (10, 64743287), (14, 46245205), (35, 18498082), (70, 9249041)]