28711284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2459}}^1$

素因数の和:2612

約数の個数: 48

約数和(自身を含む): 77145600

約数和(自身を除く): 48434316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1946, 2459, 2919, 3892, 4918, 5838, 7377, 9836, 11676, 14754, 17213, 29508, 34426, 51639, 68852, 103278, 206556, 341801, 683602, 1025403, 1367204, 2050806, 2392607, 4101612, 4785214, 7177821, 9570428, 14355642, 28711284]

約数ペア:

[(1, 28711284), (2, 14355642), (3, 9570428), (4, 7177821), (6, 4785214), (7, 4101612), (12, 2392607), (14, 2050806), (21, 1367204), (28, 1025403), (42, 683602), (84, 341801), (139, 206556), (278, 103278), (417, 68852), (556, 51639), (834, 34426), (973, 29508), (1668, 17213), (1946, 14754), (2459, 11676), (2919, 9836), (3892, 7377), (4918, 5838)]