81889388

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{14407}}^1$

素因数の和:14454

約数の個数: 36

約数和(自身を含む): 172463760

約数和(自身を除く): 90574372

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 14407, 28814, 57628, 100849, 201698, 403396, 417803, 705943, 835606, 1411886, 1671212, 2823772, 2924621, 5849242, 11698484, 20472347, 40944694, 81889388]

約数ペア:

[(1, 81889388), (2, 40944694), (4, 20472347), (7, 11698484), (14, 5849242), (28, 2924621), (29, 2823772), (49, 1671212), (58, 1411886), (98, 835606), (116, 705943), (196, 417803), (203, 403396), (406, 201698), (812, 100849), (1421, 57628), (2842, 28814), (5684, 14407)]