64991894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1747}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 113270400

約数和(自身を除く): 48278506

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 979, 1691, 1747, 1958, 3382, 3494, 18601, 19217, 33193, 37202, 38434, 66386, 155483, 310966, 365123, 730246, 1710313, 2954177, 3420626, 5908354, 32495947, 64991894]

約数ペア:

[(1, 64991894), (2, 32495947), (11, 5908354), (19, 3420626), (22, 2954177), (38, 1710313), (89, 730246), (178, 365123), (209, 310966), (418, 155483), (979, 66386), (1691, 38434), (1747, 37202), (1958, 33193), (3382, 19217), (3494, 18601)]