990905804686

素因数分解:

$2^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{5791}}^1\times {\mathrm{25097}}^1$

素因数の和:31384

約数の個数: 32

約数和(自身を含む): 1702545518592

約数和(自身を除く): 711639713906

約数列:

[1, 2, 7, 14, 487, 974, 3409, 5791, 6818, 11582, 25097, 40537, 50194, 81074, 175679, 351358, 2820217, 5640434, 12222239, 19741519, 24444478, 39483038, 85555673, 145336727, 171111346, 290673454, 1017357089, 2034714178, 70778986049, 141557972098, 495452902343, 990905804686]

約数ペア:

[(1, 990905804686), (2, 495452902343), (7, 141557972098), (14, 70778986049), (487, 2034714178), (974, 1017357089), (3409, 290673454), (5791, 171111346), (6818, 145336727), (11582, 85555673), (25097, 39483038), (40537, 24444478), (50194, 19741519), (81074, 12222239), (175679, 5640434), (351358, 2820217)]