408020896

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{671087}}^1$

素因数の和:671116

約数の個数: 24

約数和(自身を含む): 845570880

約数和(自身を除く): 437549984

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 671087, 1342174, 2684348, 5368696, 10737392, 12750653, 21474784, 25501306, 51002612, 102005224, 204010448, 408020896]

約数ペア:

[(1, 408020896), (2, 204010448), (4, 102005224), (8, 51002612), (16, 25501306), (19, 21474784), (32, 12750653), (38, 10737392), (76, 5368696), (152, 2684348), (304, 1342174), (608, 671087)]