128784383

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 169967616

約数和(自身を除く): 41183233

約数列:

[1, 7, 13, 23, 37, 91, 161, 259, 299, 481, 851, 1663, 2093, 3367, 5957, 11063, 11641, 21619, 38249, 61531, 77441, 151333, 267743, 430717, 497237, 799903, 1415213, 3480659, 5599321, 9906491, 18397769, 128784383]

約数ペア:

[(1, 128784383), (7, 18397769), (13, 9906491), (23, 5599321), (37, 3480659), (91, 1415213), (161, 799903), (259, 497237), (299, 430717), (481, 267743), (851, 151333), (1663, 77441), (2093, 61531), (3367, 38249), (5957, 21619), (11063, 11641)]