211326973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 259459200

約数和(自身を除く): 48132227

約数列:

[1, 11, 13, 29, 131, 143, 319, 377, 389, 1441, 1703, 3799, 4147, 4279, 5057, 11281, 18733, 41789, 49387, 50959, 55627, 124091, 146653, 543257, 560549, 662467, 1477811, 1613183, 7287137, 16255921, 19211543, 211326973]

約数ペア:

[(1, 211326973), (11, 19211543), (13, 16255921), (29, 7287137), (131, 1613183), (143, 1477811), (319, 662467), (377, 560549), (389, 543257), (1441, 146653), (1703, 124091), (3799, 55627), (4147, 50959), (4279, 49387), (5057, 41789), (11281, 18733)]