281330288655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{88019}}^1$

素因数の和:88520

約数の個数: 64

約数和(自身を含む): 498984675840

約数和(自身を除く): 217654387185

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 443, 481, 555, 1329, 1443, 2215, 2405, 5759, 6645, 7215, 16391, 17277, 28795, 49173, 81955, 86385, 88019, 213083, 245865, 264057, 440095, 639249, 1065415, 1144247, 1320285, 3196245, 3256703, 3432741, 5721235, 9770109, 16283515, 17163705, 38992417, 42337139, 48850545, 116977251, 127011417, 194962085, 211685695, 506901421, 584886255, 635057085, 1442719429, 1520704263, 2534507105, 4328158287, 7213597145, 7603521315, 18755352577, 21640791435, 56266057731, 93776762885, 281330288655]

約数ペア:

[(1, 281330288655), (3, 93776762885), (5, 56266057731), (13, 21640791435), (15, 18755352577), (37, 7603521315), (39, 7213597145), (65, 4328158287), (111, 2534507105), (185, 1520704263), (195, 1442719429), (443, 635057085), (481, 584886255), (555, 506901421), (1329, 211685695), (1443, 194962085), (2215, 127011417), (2405, 116977251), (5759, 48850545), (6645, 42337139), (7215, 38992417), (16391, 17163705), (17277, 16283515), (28795, 9770109), (49173, 5721235), (81955, 3432741), (86385, 3256703), (88019, 3196245), (213083, 1320285), (245865, 1144247), (264057, 1065415), (440095, 639249)]