128825172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{511211}}^1$

素因数の和:511228

約数の個数: 36

約数和(自身を含む): 372162336

約数和(自身を除く): 243337164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 511211, 1022422, 1533633, 2044844, 3067266, 3578477, 4600899, 6134532, 7156954, 9201798, 10735431, 14313908, 18403596, 21470862, 32206293, 42941724, 64412586, 128825172]

約数ペア:

[(1, 128825172), (2, 64412586), (3, 42941724), (4, 32206293), (6, 21470862), (7, 18403596), (9, 14313908), (12, 10735431), (14, 9201798), (18, 7156954), (21, 6134532), (28, 4600899), (36, 3578477), (42, 3067266), (63, 2044844), (84, 1533633), (126, 1022422), (252, 511211)]