123891328

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{87991}}^1$

素因数の和:88016

約数の個数: 32

約数和(自身を含む): 269255520

約数和(自身を除く): 145364192

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 87991, 175982, 351964, 703928, 967901, 1407856, 1935802, 2815712, 3871604, 5631424, 7743208, 11262848, 15486416, 30972832, 61945664, 123891328]

約数ペア:

[(1, 123891328), (2, 61945664), (4, 30972832), (8, 15486416), (11, 11262848), (16, 7743208), (22, 5631424), (32, 3871604), (44, 2815712), (64, 1935802), (88, 1407856), (128, 967901), (176, 703928), (352, 351964), (704, 175982), (1408, 87991)]