1218729372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{20123}}^1$

素因数の和:20247

約数の個数: 72

約数和(自身を含む): 3340262016

約数和(自身を除く): 2121532644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 103, 147, 196, 206, 294, 309, 412, 588, 618, 721, 1236, 1442, 2163, 2884, 4326, 5047, 8652, 10094, 15141, 20123, 20188, 30282, 40246, 60369, 60564, 80492, 120738, 140861, 241476, 281722, 422583, 563444, 845166, 986027, 1690332, 1972054, 2072669, 2958081, 3944108, 4145338, 5916162, 6218007, 8290676, 11832324, 12436014, 14508683, 24872028, 29017366, 43526049, 58034732, 87052098, 101560781, 174104196, 203121562, 304682343, 406243124, 609364686, 1218729372]

約数ペア:

[(1, 1218729372), (2, 609364686), (3, 406243124), (4, 304682343), (6, 203121562), (7, 174104196), (12, 101560781), (14, 87052098), (21, 58034732), (28, 43526049), (42, 29017366), (49, 24872028), (84, 14508683), (98, 12436014), (103, 11832324), (147, 8290676), (196, 6218007), (206, 5916162), (294, 4145338), (309, 3944108), (412, 2958081), (588, 2072669), (618, 1972054), (721, 1690332), (1236, 986027), (1442, 845166), (2163, 563444), (2884, 422583), (4326, 281722), (5047, 241476), (8652, 140861), (10094, 120738), (15141, 80492), (20123, 60564), (20188, 60369), (30282, 40246)]