128005468

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{1907}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 227746512

約数和(自身を除く): 99741044

約数列:

[1, 2, 4, 97, 173, 194, 346, 388, 692, 1907, 3814, 7628, 16781, 33562, 67124, 184979, 329911, 369958, 659822, 739916, 1319644, 32001367, 64002734, 128005468]

約数ペア:

[(1, 128005468), (2, 64002734), (4, 32001367), (97, 1319644), (173, 739916), (194, 659822), (346, 369958), (388, 329911), (692, 184979), (1907, 67124), (3814, 33562), (7628, 16781)]