128587326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{161137}}^1$

素因数の和:161168

約数の個数: 32

約数和(自身を含む): 309384960

約数和(自身を除く): 180797634

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 161137, 322274, 483411, 966822, 1127959, 2255918, 3061603, 3383877, 6123206, 6767754, 9184809, 18369618, 21431221, 42862442, 64293663, 128587326]

約数ペア:

[(1, 128587326), (2, 64293663), (3, 42862442), (6, 21431221), (7, 18369618), (14, 9184809), (19, 6767754), (21, 6123206), (38, 3383877), (42, 3061603), (57, 2255918), (114, 1127959), (133, 966822), (266, 483411), (399, 322274), (798, 161137)]