31780908

素因数分解:

$2^2\times 3^2\times {\mathrm{227}}^1\times {\mathrm{3889}}^1$

素因数の和:4126

約数の個数: 36

約数和(自身を含む): 80709720

約数和(自身を除く): 48928812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 227, 454, 681, 908, 1362, 2043, 2724, 3889, 4086, 7778, 8172, 11667, 15556, 23334, 35001, 46668, 70002, 140004, 882803, 1765606, 2648409, 3531212, 5296818, 7945227, 10593636, 15890454, 31780908]

約数ペア:

[(1, 31780908), (2, 15890454), (3, 10593636), (4, 7945227), (6, 5296818), (9, 3531212), (12, 2648409), (18, 1765606), (36, 882803), (227, 140004), (454, 70002), (681, 46668), (908, 35001), (1362, 23334), (2043, 15556), (2724, 11667), (3889, 8172), (4086, 7778)]