81809754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 185673600

約数和(自身を除く): 103863846

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 59, 78, 87, 118, 174, 177, 354, 377, 613, 754, 767, 1131, 1226, 1534, 1711, 1839, 2262, 2301, 3422, 3678, 4602, 5133, 7969, 10266, 15938, 17777, 22243, 23907, 35554, 36167, 44486, 47814, 53331, 66729, 72334, 106662, 108501, 133458, 217002, 231101, 462202, 470171, 693303, 940342, 1048843, 1386606, 1410513, 2097686, 2821026, 3146529, 6293058, 13634959, 27269918, 40904877, 81809754]

約数ペア:

[(1, 81809754), (2, 40904877), (3, 27269918), (6, 13634959), (13, 6293058), (26, 3146529), (29, 2821026), (39, 2097686), (58, 1410513), (59, 1386606), (78, 1048843), (87, 940342), (118, 693303), (174, 470171), (177, 462202), (354, 231101), (377, 217002), (613, 133458), (754, 108501), (767, 106662), (1131, 72334), (1226, 66729), (1534, 53331), (1711, 47814), (1839, 44486), (2262, 36167), (2301, 35554), (3422, 23907), (3678, 22243), (4602, 17777), (5133, 15938), (7969, 10266)]