39478502

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20287}}^1$

素因数の和:20435

約数の個数: 16

約数和(自身を含む): 68167680

約数和(自身を除く): 28689178

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20287, 40574, 142009, 284018, 2819893, 5639786, 19739251, 39478502]

約数ペア:

[(1, 39478502), (2, 19739251), (7, 5639786), (14, 2819893), (139, 284018), (278, 142009), (973, 40574), (1946, 20287)]