890689604

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{12109}}^1$

素因数の和:12228

約数の個数: 48

約数和(自身を含む): 1855445760

約数和(自身を除く): 964756156

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 497, 518, 994, 1036, 1988, 2627, 5254, 10508, 12109, 18389, 24218, 36778, 48436, 73556, 84763, 169526, 339052, 448033, 859739, 896066, 1719478, 1792132, 3136231, 3438956, 6018173, 6272462, 12036346, 12544924, 24072692, 31810343, 63620686, 127241372, 222672401, 445344802, 890689604]

約数ペア:

[(1, 890689604), (2, 445344802), (4, 222672401), (7, 127241372), (14, 63620686), (28, 31810343), (37, 24072692), (71, 12544924), (74, 12036346), (142, 6272462), (148, 6018173), (259, 3438956), (284, 3136231), (497, 1792132), (518, 1719478), (994, 896066), (1036, 859739), (1988, 448033), (2627, 339052), (5254, 169526), (10508, 84763), (12109, 73556), (18389, 48436), (24218, 36778)]