256208472

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{273727}}^1$

素因数の和:273752

約数の個数: 48

約数和(自身を含む): 747277440

約数和(自身を除く): 491068968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 273727, 547454, 821181, 1094908, 1642362, 2189816, 2463543, 3284724, 3558451, 4927086, 6569448, 7116902, 9854172, 10675353, 14233804, 19708344, 21350706, 28467608, 32026059, 42701412, 64052118, 85402824, 128104236, 256208472]

約数ペア:

[(1, 256208472), (2, 128104236), (3, 85402824), (4, 64052118), (6, 42701412), (8, 32026059), (9, 28467608), (12, 21350706), (13, 19708344), (18, 14233804), (24, 10675353), (26, 9854172), (36, 7116902), (39, 6569448), (52, 4927086), (72, 3558451), (78, 3284724), (104, 2463543), (117, 2189816), (156, 1642362), (234, 1094908), (312, 821181), (468, 547454), (936, 273727)]