209213774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{22271}}^1$

素因数の和:22352

約数の個数: 32

約数和(自身を含む): 397688832

約数和(自身を除く): 188475058

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 4697, 9394, 22271, 44542, 155897, 244981, 311794, 489962, 1358531, 1714867, 2717062, 3429734, 9509717, 14943841, 19019434, 29887682, 104606887, 209213774]

約数ペア:

[(1, 209213774), (2, 104606887), (7, 29887682), (11, 19019434), (14, 14943841), (22, 9509717), (61, 3429734), (77, 2717062), (122, 1714867), (154, 1358531), (427, 489962), (671, 311794), (854, 244981), (1342, 155897), (4697, 44542), (9394, 22271)]