81020472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259681}}^1$

素因数の和:259703

約数の個数: 32

約数和(自身を含む): 218132880

約数和(自身を除く): 137112408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 259681, 519362, 779043, 1038724, 1558086, 2077448, 3116172, 3375853, 6232344, 6751706, 10127559, 13503412, 20255118, 27006824, 40510236, 81020472]

約数ペア:

[(1, 81020472), (2, 40510236), (3, 27006824), (4, 20255118), (6, 13503412), (8, 10127559), (12, 6751706), (13, 6232344), (24, 3375853), (26, 3116172), (39, 2077448), (52, 1558086), (78, 1038724), (104, 779043), (156, 519362), (312, 259681)]