89439828

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 222616800

約数和(自身を除く): 133176972

約数列:

[1, 2, 3, 4, 6, 12, 29, 43, 58, 86, 87, 116, 129, 139, 172, 174, 258, 278, 348, 417, 516, 556, 834, 1247, 1668, 1849, 2494, 3698, 3741, 4031, 4988, 5547, 5977, 7396, 7482, 8062, 11094, 11954, 12093, 14964, 16124, 17931, 22188, 23908, 24186, 35862, 48372, 53621, 71724, 107242, 160863, 173333, 214484, 257011, 321726, 346666, 514022, 519999, 643452, 693332, 771033, 1028044, 1039998, 1542066, 2079996, 3084132, 7453319, 14906638, 22359957, 29813276, 44719914, 89439828]

約数ペア:

[(1, 89439828), (2, 44719914), (3, 29813276), (4, 22359957), (6, 14906638), (12, 7453319), (29, 3084132), (43, 2079996), (58, 1542066), (86, 1039998), (87, 1028044), (116, 771033), (129, 693332), (139, 643452), (172, 519999), (174, 514022), (258, 346666), (278, 321726), (348, 257011), (417, 214484), (516, 173333), (556, 160863), (834, 107242), (1247, 71724), (1668, 53621), (1849, 48372), (2494, 35862), (3698, 24186), (3741, 23908), (4031, 22188), (4988, 17931), (5547, 16124), (5977, 14964), (7396, 12093), (7482, 11954), (8062, 11094)]