39980278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{2693}}^1$

素因数の和:3279

約数の個数: 16

約数和(自身を含む): 64720656

約数和(自身を除く): 24740378

約数列:

[1, 2, 13, 26, 571, 1142, 2693, 5386, 7423, 14846, 35009, 70018, 1537703, 3075406, 19990139, 39980278]

約数ペア:

[(1, 39980278), (2, 19990139), (13, 3075406), (26, 1537703), (571, 70018), (1142, 35009), (2693, 14846), (5386, 7423)]