128101232

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{8731}}^1$

素因数の和:8877

約数の個数: 40

約数和(自身を含む): 285850752

約数和(自身を除く): 157749520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 8731, 14672, 17462, 34924, 61117, 69848, 122234, 139696, 244468, 488936, 977872, 1143761, 2287522, 4575044, 8006327, 9150088, 16012654, 18300176, 32025308, 64050616, 128101232]

約数ペア:

[(1, 128101232), (2, 64050616), (4, 32025308), (7, 18300176), (8, 16012654), (14, 9150088), (16, 8006327), (28, 4575044), (56, 2287522), (112, 1143761), (131, 977872), (262, 488936), (524, 244468), (917, 139696), (1048, 122234), (1834, 69848), (2096, 61117), (3668, 34924), (7336, 17462), (8731, 14672)]