28578928

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2341}}^1$

素因数の和:2465

約数の個数: 40

約数和(自身を含む): 63889760

約数和(自身を除く): 35310832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 2341, 3052, 4682, 6104, 9364, 12208, 16387, 18728, 32774, 37456, 65548, 131096, 255169, 262192, 510338, 1020676, 1786183, 2041352, 3572366, 4082704, 7144732, 14289464, 28578928]

約数ペア:

[(1, 28578928), (2, 14289464), (4, 7144732), (7, 4082704), (8, 3572366), (14, 2041352), (16, 1786183), (28, 1020676), (56, 510338), (109, 262192), (112, 255169), (218, 131096), (436, 65548), (763, 37456), (872, 32774), (1526, 18728), (1744, 16387), (2341, 12208), (3052, 9364), (4682, 6104)]