255247794

素因数分解:

$2^1\times 3^3\times {\mathrm{661}}^1\times {\mathrm{7151}}^1$

素因数の和:7823

約数の個数: 32

約数和(自身を含む): 568154880

約数和(自身を除く): 312907086

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 661, 1322, 1983, 3966, 5949, 7151, 11898, 14302, 17847, 21453, 35694, 42906, 64359, 128718, 193077, 386154, 4726811, 9453622, 14180433, 28360866, 42541299, 85082598, 127623897, 255247794]

約数ペア:

[(1, 255247794), (2, 127623897), (3, 85082598), (6, 42541299), (9, 28360866), (18, 14180433), (27, 9453622), (54, 4726811), (661, 386154), (1322, 193077), (1983, 128718), (3966, 64359), (5949, 42906), (7151, 35694), (11898, 21453), (14302, 17847)]