127776368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{420317}}^1$

素因数の和:420344

約数の個数: 20

約数和(自身を含む): 260597160

約数和(自身を除く): 132820792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 420317, 840634, 1681268, 3362536, 6725072, 7986023, 15972046, 31944092, 63888184, 127776368]

約数ペア:

[(1, 127776368), (2, 63888184), (4, 31944092), (8, 15972046), (16, 7986023), (19, 6725072), (38, 3362536), (76, 1681268), (152, 840634), (304, 420317)]