15639974

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 27888960

約数和(自身を除く): 12248986

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 277, 518, 554, 763, 1526, 1939, 3878, 4033, 8066, 10249, 20498, 28231, 30193, 56462, 60386, 71743, 143486, 211351, 422702, 1117141, 2234282, 7819987, 15639974]

約数ペア:

[(1, 15639974), (2, 7819987), (7, 2234282), (14, 1117141), (37, 422702), (74, 211351), (109, 143486), (218, 71743), (259, 60386), (277, 56462), (518, 30193), (554, 28231), (763, 20498), (1526, 10249), (1939, 8066), (3878, 4033)]