1389756498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17817391}}^1$

素因数の和:17817409

約数の個数: 16

約数和(自身を含む): 2993321856

約数和(自身を除く): 1603565358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 17817391, 35634782, 53452173, 106904346, 231626083, 463252166, 694878249, 1389756498]

約数ペア:

[(1, 1389756498), (2, 694878249), (3, 463252166), (6, 231626083), (13, 106904346), (26, 53452173), (39, 35634782), (78, 17817391)]