128920966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 209784960

約数和(自身を除く): 80863994

約数列:

[1, 2, 19, 38, 43, 86, 257, 307, 514, 614, 817, 1634, 4883, 5833, 9766, 11051, 11666, 13201, 22102, 26402, 78899, 157798, 209969, 250819, 419938, 501638, 1499081, 2998162, 3392657, 6785314, 64460483, 128920966]

約数ペア:

[(1, 128920966), (2, 64460483), (19, 6785314), (38, 3392657), (43, 2998162), (86, 1499081), (257, 501638), (307, 419938), (514, 250819), (614, 209969), (817, 157798), (1634, 78899), (4883, 26402), (5833, 22102), (9766, 13201), (11051, 11666)]