668638908

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{126349}}^1$

素因数の和:126376

約数の個数: 72

約数和(自身を含む): 2016546000

約数和(自身を除く): 1347907092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 126349, 252698, 379047, 505396, 758094, 884443, 1137141, 1516188, 1768886, 2274282, 2653329, 3411423, 3537772, 4548564, 5306658, 6191101, 6822846, 7959987, 10613316, 12382202, 13645692, 15919974, 18573303, 23879961, 24764404, 31839948, 37146606, 47759922, 55719909, 74293212, 95519844, 111439818, 167159727, 222879636, 334319454, 668638908]

約数ペア:

[(1, 668638908), (2, 334319454), (3, 222879636), (4, 167159727), (6, 111439818), (7, 95519844), (9, 74293212), (12, 55719909), (14, 47759922), (18, 37146606), (21, 31839948), (27, 24764404), (28, 23879961), (36, 18573303), (42, 15919974), (49, 13645692), (54, 12382202), (63, 10613316), (84, 7959987), (98, 6822846), (108, 6191101), (126, 5306658), (147, 4548564), (189, 3537772), (196, 3411423), (252, 2653329), (294, 2274282), (378, 1768886), (441, 1516188), (588, 1137141), (756, 884443), (882, 758094), (1323, 505396), (1764, 379047), (2646, 252698), (5292, 126349)]