129355856

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67939}}^1$

素因数の和:67971

約数の個数: 40

約数和(自身を含む): 303284160

約数和(自身を除く): 173928304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 67939, 135878, 271756, 475573, 543512, 951146, 1087024, 1154963, 1902292, 2309926, 3804584, 4619852, 7609168, 8084741, 9239704, 16169482, 18479408, 32338964, 64677928, 129355856]

約数ペア:

[(1, 129355856), (2, 64677928), (4, 32338964), (7, 18479408), (8, 16169482), (14, 9239704), (16, 8084741), (17, 7609168), (28, 4619852), (34, 3804584), (56, 2309926), (68, 1902292), (112, 1154963), (119, 1087024), (136, 951146), (238, 543512), (272, 475573), (476, 271756), (952, 135878), (1904, 67939)]