31788016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2369

約数の個数: 40

約数和(自身を含む): 67346384

約数和(自身を除く): 35558368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2281, 3484, 4562, 6968, 9124, 13936, 18248, 29653, 36496, 59306, 118612, 152827, 237224, 305654, 474448, 611308, 1222616, 1986751, 2445232, 3973502, 7947004, 15894008, 31788016]

約数ペア:

[(1, 31788016), (2, 15894008), (4, 7947004), (8, 3973502), (13, 2445232), (16, 1986751), (26, 1222616), (52, 611308), (67, 474448), (104, 305654), (134, 237224), (208, 152827), (268, 118612), (536, 59306), (871, 36496), (1072, 29653), (1742, 18248), (2281, 13936), (3484, 9124), (4562, 6968)]