16946215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 24204096

約数和(自身を除く): 7257881

約数列:

[1, 5, 11, 13, 55, 65, 137, 143, 173, 685, 715, 865, 1507, 1781, 1903, 2249, 7535, 8905, 9515, 11245, 19591, 23701, 24739, 97955, 118505, 123695, 260711, 308113, 1303555, 1540565, 3389243, 16946215]

約数ペア:

[(1, 16946215), (5, 3389243), (11, 1540565), (13, 1303555), (55, 308113), (65, 260711), (137, 123695), (143, 118505), (173, 97955), (685, 24739), (715, 23701), (865, 19591), (1507, 11245), (1781, 9515), (1903, 8905), (2249, 7535)]