39172994

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 68688000

約数和(自身を除く): 29515006

約数列:

[1, 2, 7, 14, 89, 149, 178, 211, 298, 422, 623, 1043, 1246, 1477, 2086, 2954, 13261, 18779, 26522, 31439, 37558, 62878, 92827, 131453, 185654, 220073, 262906, 440146, 2798071, 5596142, 19586497, 39172994]

約数ペア:

[(1, 39172994), (2, 19586497), (7, 5596142), (14, 2798071), (89, 440146), (149, 262906), (178, 220073), (211, 185654), (298, 131453), (422, 92827), (623, 62878), (1043, 37558), (1246, 31439), (1477, 26522), (2086, 18779), (2954, 13261)]