123498784

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{887}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 257342400

約数和(自身を除く): 133843616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 229, 304, 458, 608, 887, 916, 1774, 1832, 3548, 3664, 4351, 7096, 7328, 8702, 14192, 16853, 17404, 28384, 33706, 34808, 67412, 69616, 134824, 139232, 203123, 269648, 406246, 539296, 812492, 1624984, 3249968, 3859337, 6499936, 7718674, 15437348, 30874696, 61749392, 123498784]

約数ペア:

[(1, 123498784), (2, 61749392), (4, 30874696), (8, 15437348), (16, 7718674), (19, 6499936), (32, 3859337), (38, 3249968), (76, 1624984), (152, 812492), (229, 539296), (304, 406246), (458, 269648), (608, 203123), (887, 139232), (916, 134824), (1774, 69616), (1832, 67412), (3548, 34808), (3664, 33706), (4351, 28384), (7096, 17404), (7328, 16853), (8702, 14192)]