128462838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{160981}}^1$

素因数の和:161012

約数の個数: 32

約数和(自身を含む): 309085440

約数和(自身を除く): 180622602

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 160981, 321962, 482943, 965886, 1126867, 2253734, 3058639, 3380601, 6117278, 6761202, 9175917, 18351834, 21410473, 42820946, 64231419, 128462838]

約数ペア:

[(1, 128462838), (2, 64231419), (3, 42820946), (6, 21410473), (7, 18351834), (14, 9175917), (19, 6761202), (21, 6117278), (38, 3380601), (42, 3058639), (57, 2253734), (114, 1126867), (133, 965886), (266, 482943), (399, 321962), (798, 160981)]