28133336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 38394664

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 109, 154, 218, 308, 419, 436, 616, 763, 838, 872, 1199, 1526, 1676, 2398, 2933, 3052, 3352, 4609, 4796, 5866, 6104, 8393, 9218, 9592, 11732, 16786, 18436, 23464, 32263, 33572, 36872, 45671, 64526, 67144, 91342, 129052, 182684, 258104, 319697, 365368, 502381, 639394, 1004762, 1278788, 2009524, 2557576, 3516667, 4019048, 7033334, 14066668, 28133336]

約数ペア:

[(1, 28133336), (2, 14066668), (4, 7033334), (7, 4019048), (8, 3516667), (11, 2557576), (14, 2009524), (22, 1278788), (28, 1004762), (44, 639394), (56, 502381), (77, 365368), (88, 319697), (109, 258104), (154, 182684), (218, 129052), (308, 91342), (419, 67144), (436, 64526), (616, 45671), (763, 36872), (838, 33572), (872, 32263), (1199, 23464), (1526, 18436), (1676, 16786), (2398, 11732), (2933, 9592), (3052, 9218), (3352, 8393), (4609, 6104), (4796, 5866)]