81917316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1549}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 225115800

約数和(自身を除く): 143198484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 339, 452, 468, 678, 1017, 1356, 1469, 1549, 2034, 2938, 3098, 4068, 4407, 4647, 5876, 6196, 8814, 9294, 13221, 13941, 17628, 18588, 20137, 26442, 27882, 40274, 52884, 55764, 60411, 80548, 120822, 175037, 181233, 241644, 350074, 362466, 525111, 700148, 724932, 1050222, 1575333, 2100444, 2275481, 3150666, 4550962, 6301332, 6826443, 9101924, 13652886, 20479329, 27305772, 40958658, 81917316]

約数ペア:

[(1, 81917316), (2, 40958658), (3, 27305772), (4, 20479329), (6, 13652886), (9, 9101924), (12, 6826443), (13, 6301332), (18, 4550962), (26, 3150666), (36, 2275481), (39, 2100444), (52, 1575333), (78, 1050222), (113, 724932), (117, 700148), (156, 525111), (226, 362466), (234, 350074), (339, 241644), (452, 181233), (468, 175037), (678, 120822), (1017, 80548), (1356, 60411), (1469, 55764), (1549, 52884), (2034, 40274), (2938, 27882), (3098, 26442), (4068, 20137), (4407, 18588), (4647, 17628), (5876, 13941), (6196, 13221), (8814, 9294)]