212816156

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{205421}}^1$

素因数の和:205469

約数の個数: 24

約数和(自身を含む): 437138016

約数和(自身を除く): 224321860

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 205421, 410842, 821684, 1437947, 2875894, 5751788, 7600577, 15201154, 30402308, 53204039, 106408078, 212816156]

約数ペア:

[(1, 212816156), (2, 106408078), (4, 53204039), (7, 30402308), (14, 15201154), (28, 7600577), (37, 5751788), (74, 2875894), (148, 1437947), (259, 821684), (518, 410842), (1036, 205421)]