9987290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 18942336

約数和(自身を除く): 8955046

約数列:

[1, 2, 5, 10, 23, 46, 115, 173, 230, 251, 346, 502, 865, 1255, 1730, 2510, 3979, 5773, 7958, 11546, 19895, 28865, 39790, 43423, 57730, 86846, 217115, 434230, 998729, 1997458, 4993645, 9987290]

約数ペア:

[(1, 9987290), (2, 4993645), (5, 1997458), (10, 998729), (23, 434230), (46, 217115), (115, 86846), (173, 57730), (230, 43423), (251, 39790), (346, 28865), (502, 19895), (865, 11546), (1255, 7958), (1730, 5773), (2510, 3979)]