128307455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 168652800

約数和(自身を除く): 40345345

約数列:

[1, 5, 23, 29, 79, 115, 145, 395, 487, 667, 1817, 2291, 2435, 3335, 9085, 11201, 11455, 14123, 38473, 52693, 56005, 70615, 192365, 263465, 324829, 884879, 1115717, 1624145, 4424395, 5578585, 25661491, 128307455]

約数ペア:

[(1, 128307455), (5, 25661491), (23, 5578585), (29, 4424395), (79, 1624145), (115, 1115717), (145, 884879), (395, 324829), (487, 263465), (667, 192365), (1817, 70615), (2291, 56005), (2435, 52693), (3335, 38473), (9085, 14123), (11201, 11455)]