255911045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 345461760

約数和(自身を除く): 89550715

約数列:

[1, 5, 13, 31, 65, 89, 155, 403, 445, 1157, 1427, 2015, 2759, 5785, 7135, 13795, 18551, 35867, 44237, 92755, 127003, 179335, 221185, 575081, 635015, 1651039, 2875405, 3937093, 8255195, 19685465, 51182209, 255911045]

約数ペア:

[(1, 255911045), (5, 51182209), (13, 19685465), (31, 8255195), (65, 3937093), (89, 2875405), (155, 1651039), (403, 635015), (445, 575081), (1157, 221185), (1427, 179335), (2015, 127003), (2759, 92755), (5785, 44237), (7135, 35867), (13795, 18551)]