256656456

素因数分解:

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

素因数の和:509258

約数の個数: 48

約数和(自身を含む): 794414400

約数和(自身を除く): 537757944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 509239, 1018478, 1527717, 2036956, 3055434, 3564673, 4073912, 4583151, 6110868, 7129346, 9166302, 10694019, 12221736, 14258692, 18332604, 21388038, 28517384, 32082057, 36665208, 42776076, 64164114, 85552152, 128328228, 256656456]

約数ペア:

[(1, 256656456), (2, 128328228), (3, 85552152), (4, 64164114), (6, 42776076), (7, 36665208), (8, 32082057), (9, 28517384), (12, 21388038), (14, 18332604), (18, 14258692), (21, 12221736), (24, 10694019), (28, 9166302), (36, 7129346), (42, 6110868), (56, 4583151), (63, 4073912), (72, 3564673), (84, 3055434), (126, 2036956), (168, 1527717), (252, 1018478), (504, 509239)]