28296268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 68640768

約数和(自身を除く): 40344500

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 37, 44, 52, 74, 77, 91, 143, 148, 154, 182, 191, 259, 286, 308, 364, 382, 407, 481, 518, 572, 764, 814, 962, 1001, 1036, 1337, 1628, 1924, 2002, 2101, 2483, 2674, 2849, 3367, 4004, 4202, 4966, 5291, 5348, 5698, 6734, 7067, 8404, 9932, 10582, 11396, 13468, 14134, 14707, 17381, 21164, 27313, 28268, 29414, 34762, 37037, 49469, 54626, 58828, 69524, 74074, 77737, 91871, 98938, 109252, 148148, 155474, 183742, 191191, 197876, 310948, 367484, 382382, 544159, 643097, 764764, 1010581, 1088318, 1286194, 2021162, 2176636, 2572388, 4042324, 7074067, 14148134, 28296268]

約数ペア:

[(1, 28296268), (2, 14148134), (4, 7074067), (7, 4042324), (11, 2572388), (13, 2176636), (14, 2021162), (22, 1286194), (26, 1088318), (28, 1010581), (37, 764764), (44, 643097), (52, 544159), (74, 382382), (77, 367484), (91, 310948), (143, 197876), (148, 191191), (154, 183742), (182, 155474), (191, 148148), (259, 109252), (286, 98938), (308, 91871), (364, 77737), (382, 74074), (407, 69524), (481, 58828), (518, 54626), (572, 49469), (764, 37037), (814, 34762), (962, 29414), (1001, 28268), (1036, 27313), (1337, 21164), (1628, 17381), (1924, 14707), (2002, 14134), (2101, 13468), (2483, 11396), (2674, 10582), (2849, 9932), (3367, 8404), (4004, 7067), (4202, 6734), (4966, 5698), (5291, 5348)]