201921808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{26681}}^1$

素因数の和:26743

約数の個数: 40

約数和(自身を含む): 436730976

約数和(自身を除く): 234809168

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 26681, 53362, 106724, 213448, 293491, 426896, 586982, 1147283, 1173964, 2294566, 2347928, 4589132, 4695856, 9178264, 12620113, 18356528, 25240226, 50480452, 100960904, 201921808]

約数ペア:

[(1, 201921808), (2, 100960904), (4, 50480452), (8, 25240226), (11, 18356528), (16, 12620113), (22, 9178264), (43, 4695856), (44, 4589132), (86, 2347928), (88, 2294566), (172, 1173964), (176, 1147283), (344, 586982), (473, 426896), (688, 293491), (946, 213448), (1892, 106724), (3784, 53362), (7568, 26681)]