171731164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 338405760

約数和(自身を除く): 166674596

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 139, 172, 278, 473, 556, 653, 946, 1306, 1529, 1892, 2612, 3058, 5977, 6116, 7183, 11954, 14366, 23908, 28079, 28732, 56158, 65747, 90767, 112316, 131494, 181534, 262988, 308869, 363068, 617738, 998437, 1235476, 1996874, 3902981, 3993748, 7805962, 15611924, 42932791, 85865582, 171731164]

約数ペア:

[(1, 171731164), (2, 85865582), (4, 42932791), (11, 15611924), (22, 7805962), (43, 3993748), (44, 3902981), (86, 1996874), (139, 1235476), (172, 998437), (278, 617738), (473, 363068), (556, 308869), (653, 262988), (946, 181534), (1306, 131494), (1529, 112316), (1892, 90767), (2612, 65747), (3058, 56158), (5977, 28732), (6116, 28079), (7183, 23908), (11954, 14366)]