128666290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4943}}^1$

素因数の和:5106

約数の個数: 32

約数和(自身を含む): 245617920

約数和(自身を除く): 116951630

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 1370, 2603, 4943, 5206, 9886, 13015, 24715, 26030, 49430, 93917, 187834, 469585, 677191, 939170, 1354382, 3385955, 6771910, 12866629, 25733258, 64333145, 128666290]

約数ペア:

[(1, 128666290), (2, 64333145), (5, 25733258), (10, 12866629), (19, 6771910), (38, 3385955), (95, 1354382), (137, 939170), (190, 677191), (274, 469585), (685, 187834), (1370, 93917), (2603, 49430), (4943, 26030), (5206, 24715), (9886, 13015)]