161834972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 314758752

約数和(自身を除く): 152923780

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 157, 172, 314, 461, 559, 628, 922, 1118, 1844, 2041, 2236, 4082, 5993, 6751, 8164, 11986, 13502, 19823, 23972, 27004, 39646, 72377, 79292, 87763, 144754, 175526, 257699, 289508, 351052, 515398, 940901, 1030796, 1881802, 3112211, 3763604, 6224422, 12448844, 40458743, 80917486, 161834972]

約数ペア:

[(1, 161834972), (2, 80917486), (4, 40458743), (13, 12448844), (26, 6224422), (43, 3763604), (52, 3112211), (86, 1881802), (157, 1030796), (172, 940901), (314, 515398), (461, 351052), (559, 289508), (628, 257699), (922, 175526), (1118, 144754), (1844, 87763), (2041, 79292), (2236, 72377), (4082, 39646), (5993, 27004), (6751, 23972), (8164, 19823), (11986, 13502)]