129557656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 264492000

約数和(自身を除く): 134934344

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 89, 122, 152, 157, 178, 244, 314, 356, 488, 628, 712, 1159, 1256, 1691, 2318, 2983, 3382, 4636, 5429, 5966, 6764, 9272, 9577, 10858, 11932, 13528, 13973, 19154, 21716, 23864, 27946, 38308, 43432, 55892, 76616, 103151, 111784, 181963, 206302, 265487, 363926, 412604, 530974, 727852, 825208, 852353, 1061948, 1455704, 1704706, 2123896, 3409412, 6818824, 16194707, 32389414, 64778828, 129557656]

約数ペア:

[(1, 129557656), (2, 64778828), (4, 32389414), (8, 16194707), (19, 6818824), (38, 3409412), (61, 2123896), (76, 1704706), (89, 1455704), (122, 1061948), (152, 852353), (157, 825208), (178, 727852), (244, 530974), (314, 412604), (356, 363926), (488, 265487), (628, 206302), (712, 181963), (1159, 111784), (1256, 103151), (1691, 76616), (2318, 55892), (2983, 43432), (3382, 38308), (4636, 27946), (5429, 23864), (5966, 21716), (6764, 19154), (9272, 13973), (9577, 13528), (10858, 11932)]