81722316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 210288960

約数和(自身を除く): 128566644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 169, 177, 236, 338, 354, 507, 676, 683, 708, 767, 1014, 1366, 1534, 2028, 2049, 2301, 2732, 3068, 4098, 4602, 8196, 8879, 9204, 9971, 17758, 19942, 26637, 29913, 35516, 39884, 40297, 53274, 59826, 80594, 106548, 115427, 119652, 120891, 161188, 230854, 241782, 346281, 461708, 483564, 523861, 692562, 1047722, 1385124, 1571583, 2095444, 3143166, 6286332, 6810193, 13620386, 20430579, 27240772, 40861158, 81722316]

約数ペア:

[(1, 81722316), (2, 40861158), (3, 27240772), (4, 20430579), (6, 13620386), (12, 6810193), (13, 6286332), (26, 3143166), (39, 2095444), (52, 1571583), (59, 1385124), (78, 1047722), (118, 692562), (156, 523861), (169, 483564), (177, 461708), (236, 346281), (338, 241782), (354, 230854), (507, 161188), (676, 120891), (683, 119652), (708, 115427), (767, 106548), (1014, 80594), (1366, 59826), (1534, 53274), (2028, 40297), (2049, 39884), (2301, 35516), (2732, 29913), (3068, 26637), (4098, 19942), (4602, 17758), (8196, 9971), (8879, 9204)]