39934144

素因数分解:

$2^6\times {\mathrm{67}}^2\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 42

約数和(自身を含む): 81023460

約数和(自身を除く): 41089316

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 139, 268, 278, 536, 556, 1072, 1112, 2144, 2224, 4288, 4448, 4489, 8896, 8978, 9313, 17956, 18626, 35912, 37252, 71824, 74504, 143648, 149008, 287296, 298016, 596032, 623971, 1247942, 2495884, 4991768, 9983536, 19967072, 39934144]

約数ペア:

[(1, 39934144), (2, 19967072), (4, 9983536), (8, 4991768), (16, 2495884), (32, 1247942), (64, 623971), (67, 596032), (134, 298016), (139, 287296), (268, 149008), (278, 143648), (536, 74504), (556, 71824), (1072, 37252), (1112, 35912), (2144, 18626), (2224, 17956), (4288, 9313), (4448, 8978), (4489, 8896)]