128464775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7207}}^1$

素因数の和:7271

約数の個数: 24

約数和(自身を含む): 171608064

約数和(自身を除く): 43143289

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 7207, 17825, 36035, 165761, 180175, 223417, 828805, 1117085, 4144025, 5138591, 5585425, 25692955, 128464775]

約数ペア:

[(1, 128464775), (5, 25692955), (23, 5585425), (25, 5138591), (31, 4144025), (115, 1117085), (155, 828805), (575, 223417), (713, 180175), (775, 165761), (3565, 36035), (7207, 17825)]