128454928

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4759}}^1$

素因数の和:5015

約数の個数: 40

約数和(自身を含む): 285676160

約数和(自身を除く): 157221232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 964, 1687, 1928, 3374, 3856, 4759, 6748, 9518, 13496, 19036, 26992, 33313, 38072, 66626, 76144, 133252, 266504, 533008, 1146919, 2293838, 4587676, 8028433, 9175352, 16056866, 18350704, 32113732, 64227464, 128454928]

約数ペア:

[(1, 128454928), (2, 64227464), (4, 32113732), (7, 18350704), (8, 16056866), (14, 9175352), (16, 8028433), (28, 4587676), (56, 2293838), (112, 1146919), (241, 533008), (482, 266504), (964, 133252), (1687, 76144), (1928, 66626), (3374, 38072), (3856, 33313), (4759, 26992), (6748, 19036), (9518, 13496)]