28539252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 83283200

約数和(自身を除く): 54743948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 654, 763, 981, 1039, 1308, 1526, 1962, 2078, 2289, 3052, 3117, 3924, 4156, 4578, 6234, 6867, 7273, 9156, 9351, 12468, 13734, 14546, 18702, 21819, 27468, 29092, 37404, 43638, 65457, 87276, 113251, 130914, 226502, 261828, 339753, 453004, 679506, 792757, 1019259, 1359012, 1585514, 2038518, 2378271, 3171028, 4077036, 4756542, 7134813, 9513084, 14269626, 28539252]

約数ペア:

[(1, 28539252), (2, 14269626), (3, 9513084), (4, 7134813), (6, 4756542), (7, 4077036), (9, 3171028), (12, 2378271), (14, 2038518), (18, 1585514), (21, 1359012), (28, 1019259), (36, 792757), (42, 679506), (63, 453004), (84, 339753), (109, 261828), (126, 226502), (218, 130914), (252, 113251), (327, 87276), (436, 65457), (654, 43638), (763, 37404), (981, 29092), (1039, 27468), (1308, 21819), (1526, 18702), (1962, 14546), (2078, 13734), (2289, 12468), (3052, 9351), (3117, 9156), (3924, 7273), (4156, 6867), (4578, 6234)]