1278209038

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{3371}}^1\times {\mathrm{8243}}^1$

素因数の和:11639

約数の個数: 16

約数和(自身を含む): 2001511296

約数和(自身を除く): 723302258

約数列:

[1, 2, 23, 46, 3371, 6742, 8243, 16486, 77533, 155066, 189589, 379178, 27787153, 55574306, 639104519, 1278209038]

約数ペア:

[(1, 1278209038), (2, 639104519), (23, 55574306), (46, 27787153), (3371, 379178), (6742, 189589), (8243, 155066), (16486, 77533)]