81299036

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31907}}^1$

素因数の和:31938

約数の個数: 36

約数和(自身を含む): 178238088

約数和(自身を除く): 96939052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 31907, 63814, 127628, 223349, 414791, 446698, 829582, 893396, 1563443, 1659164, 2903537, 3126886, 5807074, 6253772, 11614148, 20324759, 40649518, 81299036]

約数ペア:

[(1, 81299036), (2, 40649518), (4, 20324759), (7, 11614148), (13, 6253772), (14, 5807074), (26, 3126886), (28, 2903537), (49, 1659164), (52, 1563443), (91, 893396), (98, 829582), (182, 446698), (196, 414791), (364, 223349), (637, 127628), (1274, 63814), (2548, 31907)]