1644163928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{209929}}^1$

素因数の和:210035

約数の個数: 32

約数和(自身を含む): 3400866000

約数和(自身を除く): 1756702072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 209929, 419858, 839716, 1679432, 2309219, 4618438, 9236876, 18473752, 18683681, 37367362, 74734724, 149469448, 205520491, 411040982, 822081964, 1644163928]

約数ペア:

[(1, 1644163928), (2, 822081964), (4, 411040982), (8, 205520491), (11, 149469448), (22, 74734724), (44, 37367362), (88, 18683681), (89, 18473752), (178, 9236876), (356, 4618438), (712, 2309219), (979, 1679432), (1958, 839716), (3916, 419858), (7832, 209929)]