128940812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{32203}}^1$

素因数の和:32238

約数の個数: 48

約数和(自身を含む): 302975232

約数和(自身を除く): 174034420

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 32203, 64406, 128812, 225421, 354233, 418639, 450842, 708466, 837278, 901684, 1416932, 1674556, 2479631, 2930473, 4605029, 4959262, 5860946, 9210058, 9918524, 11721892, 18420116, 32235203, 64470406, 128940812]

約数ペア:

[(1, 128940812), (2, 64470406), (4, 32235203), (7, 18420116), (11, 11721892), (13, 9918524), (14, 9210058), (22, 5860946), (26, 4959262), (28, 4605029), (44, 2930473), (52, 2479631), (77, 1674556), (91, 1416932), (143, 901684), (154, 837278), (182, 708466), (286, 450842), (308, 418639), (364, 354233), (572, 225421), (1001, 128812), (2002, 64406), (4004, 32203)]