128352774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{21851}}^1$

素因数の和:21956

約数の個数: 32

約数和(自身を含む): 283201920

約数和(自身を除く): 154849146

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 5874, 21851, 43702, 65553, 131106, 240361, 480722, 721083, 1442166, 1944739, 3889478, 5834217, 11668434, 21392129, 42784258, 64176387, 128352774]

約数ペア:

[(1, 128352774), (2, 64176387), (3, 42784258), (6, 21392129), (11, 11668434), (22, 5834217), (33, 3889478), (66, 1944739), (89, 1442166), (178, 721083), (267, 480722), (534, 240361), (979, 131106), (1958, 65553), (2937, 43702), (5874, 21851)]