221618128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{1201}}^1$

素因数の和:1835

約数の個数: 40

約数和(自身を含む): 453105920

約数和(自身を除く): 231487792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 607, 1201, 1214, 2402, 2428, 4804, 4856, 9608, 9712, 11533, 19216, 22819, 23066, 45638, 46132, 91276, 92264, 182552, 184528, 365104, 729007, 1458014, 2916028, 5832056, 11664112, 13851133, 27702266, 55404532, 110809064, 221618128]

約数ペア:

[(1, 221618128), (2, 110809064), (4, 55404532), (8, 27702266), (16, 13851133), (19, 11664112), (38, 5832056), (76, 2916028), (152, 1458014), (304, 729007), (607, 365104), (1201, 184528), (1214, 182552), (2402, 92264), (2428, 91276), (4804, 46132), (4856, 45638), (9608, 23066), (9712, 22819), (11533, 19216)]