128888368

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21713}}^1$

素因数の和:21781

約数の個数: 40

約数和(自身を含む): 290793888

約数和(自身を除く): 161905520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 21713, 43426, 86852, 151991, 173704, 303982, 347408, 607964, 1150789, 1215928, 2301578, 2431856, 4603156, 8055523, 9206312, 16111046, 18412624, 32222092, 64444184, 128888368]

約数ペア:

[(1, 128888368), (2, 64444184), (4, 32222092), (7, 18412624), (8, 16111046), (14, 9206312), (16, 8055523), (28, 4603156), (53, 2431856), (56, 2301578), (106, 1215928), (112, 1150789), (212, 607964), (371, 347408), (424, 303982), (742, 173704), (848, 151991), (1484, 86852), (2968, 43426), (5936, 21713)]