28228116

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 77974176

約数和(自身を除く): 49746060

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 787, 854, 1281, 1574, 1708, 2361, 2562, 2989, 3148, 4722, 5124, 5509, 5978, 8967, 9444, 11018, 11956, 16527, 17934, 22036, 33054, 35868, 38563, 48007, 66108, 77126, 96014, 115689, 144021, 154252, 192028, 231378, 288042, 336049, 462756, 576084, 672098, 1008147, 1344196, 2016294, 2352343, 4032588, 4704686, 7057029, 9409372, 14114058, 28228116]

約数ペア:

[(1, 28228116), (2, 14114058), (3, 9409372), (4, 7057029), (6, 4704686), (7, 4032588), (12, 2352343), (14, 2016294), (21, 1344196), (28, 1008147), (42, 672098), (49, 576084), (61, 462756), (84, 336049), (98, 288042), (122, 231378), (147, 192028), (183, 154252), (196, 144021), (244, 115689), (294, 96014), (366, 77126), (427, 66108), (588, 48007), (732, 38563), (787, 35868), (854, 33054), (1281, 22036), (1574, 17934), (1708, 16527), (2361, 11956), (2562, 11018), (2989, 9444), (3148, 8967), (4722, 5978), (5124, 5509)]