128328228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509239}}^1$

素因数の和:509256

約数の個数: 36

約数和(自身を含む): 370726720

約数和(自身を除く): 242398492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509239, 1018478, 1527717, 2036956, 3055434, 3564673, 4583151, 6110868, 7129346, 9166302, 10694019, 14258692, 18332604, 21388038, 32082057, 42776076, 64164114, 128328228]

約数ペア:

[(1, 128328228), (2, 64164114), (3, 42776076), (4, 32082057), (6, 21388038), (7, 18332604), (9, 14258692), (12, 10694019), (14, 9166302), (18, 7129346), (21, 6110868), (28, 4583151), (36, 3564673), (42, 3055434), (63, 2036956), (84, 1527717), (126, 1018478), (252, 509239)]