12820984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1637}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 26535600

約数和(自身を除く): 13714616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1637, 1958, 3274, 3916, 6548, 7832, 13096, 18007, 36014, 72028, 144056, 145693, 291386, 582772, 1165544, 1602623, 3205246, 6410492, 12820984]

約数ペア:

[(1, 12820984), (2, 6410492), (4, 3205246), (8, 1602623), (11, 1165544), (22, 582772), (44, 291386), (88, 145693), (89, 144056), (178, 72028), (356, 36014), (712, 18007), (979, 13096), (1637, 7832), (1958, 6548), (3274, 3916)]