128537318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37171}}^1$

素因数の和:37212

約数の個数: 32

約数和(自身を含む): 249795840

約数和(自身を除く): 121258522

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 37171, 74342, 260197, 483223, 520394, 706249, 966446, 1412498, 3382561, 4943743, 6765122, 9181237, 9887486, 18362474, 64268659, 128537318]

約数ペア:

[(1, 128537318), (2, 64268659), (7, 18362474), (13, 9887486), (14, 9181237), (19, 6765122), (26, 4943743), (38, 3382561), (91, 1412498), (133, 966446), (182, 706249), (247, 520394), (266, 483223), (494, 260197), (1729, 74342), (3458, 37171)]