217664636

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{210101}}^1$

素因数の和:210149

約数の個数: 24

約数和(自身を含む): 447097056

約数和(自身を除く): 229432420

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 210101, 420202, 840404, 1470707, 2941414, 5882828, 7773737, 15547474, 31094948, 54416159, 108832318, 217664636]

約数ペア:

[(1, 217664636), (2, 108832318), (4, 54416159), (7, 31094948), (14, 15547474), (28, 7773737), (37, 5882828), (74, 2941414), (148, 1470707), (259, 840404), (518, 420202), (1036, 210101)]