128901928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{6101}}^1$

素因数の和:6265

約数の個数: 32

約数和(自身を含む): 256284000

約数和(自身を除く): 127382072

約数列:

[1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 1112, 2641, 5282, 6101, 10564, 12202, 21128, 24404, 48808, 115919, 231838, 463676, 848039, 927352, 1696078, 3392156, 6784312, 16112741, 32225482, 64450964, 128901928]

約数ペア:

[(1, 128901928), (2, 64450964), (4, 32225482), (8, 16112741), (19, 6784312), (38, 3392156), (76, 1696078), (139, 927352), (152, 848039), (278, 463676), (556, 231838), (1112, 115919), (2641, 48808), (5282, 24404), (6101, 21128), (10564, 12202)]