28091412

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 75891816

約数和(自身を除く): 47800404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 197, 204, 233, 306, 394, 466, 591, 612, 699, 788, 932, 1182, 1398, 1773, 2097, 2364, 2796, 3349, 3546, 3961, 4194, 6698, 7092, 7922, 8388, 10047, 11883, 13396, 15844, 20094, 23766, 30141, 35649, 40188, 45901, 47532, 60282, 71298, 91802, 120564, 137703, 142596, 183604, 275406, 413109, 550812, 780317, 826218, 1560634, 1652436, 2340951, 3121268, 4681902, 7022853, 9363804, 14045706, 28091412]

約数ペア:

[(1, 28091412), (2, 14045706), (3, 9363804), (4, 7022853), (6, 4681902), (9, 3121268), (12, 2340951), (17, 1652436), (18, 1560634), (34, 826218), (36, 780317), (51, 550812), (68, 413109), (102, 275406), (153, 183604), (197, 142596), (204, 137703), (233, 120564), (306, 91802), (394, 71298), (466, 60282), (591, 47532), (612, 45901), (699, 40188), (788, 35649), (932, 30141), (1182, 23766), (1398, 20094), (1773, 15844), (2097, 13396), (2364, 11883), (2796, 10047), (3349, 8388), (3546, 7922), (3961, 7092), (4194, 6698)]