218812344

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{128411}}^1$

素因数の和:128491

約数の個数: 32

約数和(自身を含む): 554739840

約数和(自身を除く): 335927496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 128411, 256822, 385233, 513644, 770466, 1027288, 1540932, 3081864, 9117181, 18234362, 27351543, 36468724, 54703086, 72937448, 109406172, 218812344]

約数ペア:

[(1, 218812344), (2, 109406172), (3, 72937448), (4, 54703086), (6, 36468724), (8, 27351543), (12, 18234362), (24, 9117181), (71, 3081864), (142, 1540932), (213, 1027288), (284, 770466), (426, 513644), (568, 385233), (852, 256822), (1704, 128411)]