397996918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 660860928

約数和(自身を除く): 262864010

約数列:

[1, 2, 11, 22, 127, 181, 254, 362, 787, 1397, 1574, 1991, 2794, 3982, 8657, 17314, 22987, 45974, 99949, 142447, 199898, 252857, 284894, 505714, 1099439, 1566917, 2198878, 3133834, 18090769, 36181538, 198998459, 397996918]

約数ペア:

[(1, 397996918), (2, 198998459), (11, 36181538), (22, 18090769), (127, 3133834), (181, 2198878), (254, 1566917), (362, 1099439), (787, 505714), (1397, 284894), (1574, 252857), (1991, 199898), (2794, 142447), (3982, 99949), (8657, 45974), (17314, 22987)]