128374456

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{23633}}^1$

素因数の和:23743

約数の個数: 32

約数和(自身を含む): 277935840

約数和(自身を除く): 149561384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 23633, 47266, 94532, 165431, 189064, 330862, 661724, 1323448, 2292401, 4584802, 9169604, 16046807, 18339208, 32093614, 64187228, 128374456]

約数ペア:

[(1, 128374456), (2, 64187228), (4, 32093614), (7, 18339208), (8, 16046807), (14, 9169604), (28, 4584802), (56, 2292401), (97, 1323448), (194, 661724), (388, 330862), (679, 189064), (776, 165431), (1358, 94532), (2716, 47266), (5432, 23633)]