28812196

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 62770680

約数和(自身を除く): 33958484

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 137, 148, 196, 203, 259, 274, 406, 518, 548, 812, 959, 1036, 1073, 1421, 1813, 1918, 2146, 2842, 3626, 3836, 3973, 4292, 5069, 5684, 6713, 7252, 7511, 7946, 10138, 13426, 15022, 15892, 20276, 26852, 27811, 30044, 35483, 52577, 55622, 70966, 105154, 111244, 141932, 147001, 194677, 210308, 248381, 294002, 389354, 496762, 588004, 778708, 993524, 1029007, 2058014, 4116028, 7203049, 14406098, 28812196]

約数ペア:

[(1, 28812196), (2, 14406098), (4, 7203049), (7, 4116028), (14, 2058014), (28, 1029007), (29, 993524), (37, 778708), (49, 588004), (58, 496762), (74, 389354), (98, 294002), (116, 248381), (137, 210308), (148, 194677), (196, 147001), (203, 141932), (259, 111244), (274, 105154), (406, 70966), (518, 55622), (548, 52577), (812, 35483), (959, 30044), (1036, 27811), (1073, 26852), (1421, 20276), (1813, 15892), (1918, 15022), (2146, 13426), (2842, 10138), (3626, 7946), (3836, 7511), (3973, 7252), (4292, 6713), (5069, 5684)]