49871465

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 73281024

約数和(自身を除く): 23409559

約数列:

[1, 5, 7, 35, 47, 49, 61, 71, 235, 245, 305, 329, 355, 427, 497, 1645, 2135, 2303, 2485, 2867, 2989, 3337, 3479, 4331, 11515, 14335, 14945, 16685, 17395, 20069, 21655, 23359, 30317, 100345, 116795, 140483, 151585, 163513, 203557, 212219, 702415, 817565, 1017785, 1061095, 1424899, 7124495, 9974293, 49871465]

約数ペア:

[(1, 49871465), (5, 9974293), (7, 7124495), (35, 1424899), (47, 1061095), (49, 1017785), (61, 817565), (71, 702415), (235, 212219), (245, 203557), (305, 163513), (329, 151585), (355, 140483), (427, 116795), (497, 100345), (1645, 30317), (2135, 23359), (2303, 21655), (2485, 20069), (2867, 17395), (2989, 16685), (3337, 14945), (3479, 14335), (4331, 11515)]