81182465

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 124104960

約数和(自身を除く): 42922495

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 245, 355, 359, 455, 497, 637, 923, 1795, 2485, 2513, 3185, 3479, 4615, 4667, 6461, 12565, 17395, 17591, 23335, 25489, 32305, 32669, 45227, 87955, 127445, 163345, 178423, 226135, 228683, 331357, 892115, 1143415, 1248961, 1656785, 2319499, 6244805, 11597495, 16236493, 81182465]

約数ペア:

[(1, 81182465), (5, 16236493), (7, 11597495), (13, 6244805), (35, 2319499), (49, 1656785), (65, 1248961), (71, 1143415), (91, 892115), (245, 331357), (355, 228683), (359, 226135), (455, 178423), (497, 163345), (637, 127445), (923, 87955), (1795, 45227), (2485, 32669), (2513, 32305), (3185, 25489), (3479, 23335), (4615, 17591), (4667, 17395), (6461, 12565)]