201212121595

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1\times {\mathrm{7247}}^1$

素因数の和:8835

約数の個数: 32

約数和(自身を含む): 250052520960

約数和(自身を除く): 48840399365

約数列:

[1, 5, 43, 89, 215, 445, 1451, 3827, 7247, 7255, 19135, 36235, 62393, 129139, 311621, 311965, 644983, 645695, 1558105, 3224915, 5552977, 10515397, 27734269, 27764885, 52576985, 138671345, 452162071, 935870333, 2260810355, 4679351665, 40242424319, 201212121595]

約数ペア:

[(1, 201212121595), (5, 40242424319), (43, 4679351665), (89, 2260810355), (215, 935870333), (445, 452162071), (1451, 138671345), (3827, 52576985), (7247, 27764885), (7255, 27734269), (19135, 10515397), (36235, 5552977), (62393, 3224915), (129139, 1558105), (311621, 645695), (311965, 644983)]