64789564

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{5419}}^1$

素因数の和:5498

約数の個数: 36

約数和(自身を含む): 134079960

約数和(自身を除く): 69290396

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5419, 5978, 10838, 11956, 21676, 37933, 75866, 151732, 265531, 330559, 531062, 661118, 1062124, 1322236, 2313913, 4627826, 9255652, 16197391, 32394782, 64789564]

約数ペア:

[(1, 64789564), (2, 32394782), (4, 16197391), (7, 9255652), (14, 4627826), (28, 2313913), (49, 1322236), (61, 1062124), (98, 661118), (122, 531062), (196, 330559), (244, 265531), (427, 151732), (854, 75866), (1708, 37933), (2989, 21676), (5419, 11956), (5978, 10838)]