128480912

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7699}}^1$

素因数の和:7863

約数の個数: 40

約数和(自身を含む): 286440000

約数和(自身を除く): 157959088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 2086, 2384, 4172, 7699, 8344, 15398, 16688, 30796, 53893, 61592, 107786, 123184, 215572, 431144, 862288, 1147151, 2294302, 4588604, 8030057, 9177208, 16060114, 18354416, 32120228, 64240456, 128480912]

約数ペア:

[(1, 128480912), (2, 64240456), (4, 32120228), (7, 18354416), (8, 16060114), (14, 9177208), (16, 8030057), (28, 4588604), (56, 2294302), (112, 1147151), (149, 862288), (298, 431144), (596, 215572), (1043, 123184), (1192, 107786), (2086, 61592), (2384, 53893), (4172, 30796), (7699, 16688), (8344, 15398)]