209540422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{28081}}^1$

素因数の和:28144

約数の個数: 32

約数和(自身を含む): 396293184

約数和(自身を除く): 186752762

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 28081, 56162, 196567, 365053, 393134, 730106, 1151321, 2302642, 2555371, 5110742, 8059247, 14967173, 16118494, 29934346, 104770211, 209540422]

約数ペア:

[(1, 209540422), (2, 104770211), (7, 29934346), (13, 16118494), (14, 14967173), (26, 8059247), (41, 5110742), (82, 2555371), (91, 2302642), (182, 1151321), (287, 730106), (533, 393134), (574, 365053), (1066, 196567), (3731, 56162), (7462, 28081)]