28112196

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 77173824

約数和(自身を除く): 49061628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 181, 258, 301, 362, 516, 543, 602, 724, 903, 1086, 1204, 1267, 1806, 1849, 2172, 2534, 3612, 3698, 3801, 5068, 5547, 7396, 7602, 7783, 11094, 12943, 15204, 15566, 22188, 23349, 25886, 31132, 38829, 46698, 51772, 54481, 77658, 93396, 108962, 155316, 163443, 217924, 326886, 334669, 653772, 669338, 1004007, 1338676, 2008014, 2342683, 4016028, 4685366, 7028049, 9370732, 14056098, 28112196]

約数ペア:

[(1, 28112196), (2, 14056098), (3, 9370732), (4, 7028049), (6, 4685366), (7, 4016028), (12, 2342683), (14, 2008014), (21, 1338676), (28, 1004007), (42, 669338), (43, 653772), (84, 334669), (86, 326886), (129, 217924), (172, 163443), (181, 155316), (258, 108962), (301, 93396), (362, 77658), (516, 54481), (543, 51772), (602, 46698), (724, 38829), (903, 31132), (1086, 25886), (1204, 23349), (1267, 22188), (1806, 15566), (1849, 15204), (2172, 12943), (2534, 11094), (3612, 7783), (3698, 7602), (3801, 7396), (5068, 5547)]