164864975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 233985024

約数和(自身を除く): 69120049

約数列:

[1, 5, 11, 25, 31, 55, 83, 155, 233, 275, 341, 415, 775, 913, 1165, 1705, 2075, 2563, 2573, 4565, 5825, 7223, 8525, 12815, 12865, 19339, 22825, 28303, 36115, 64075, 64325, 79453, 96695, 141515, 180575, 212729, 397265, 483475, 599509, 707575, 1063645, 1986325, 2997545, 5318225, 6594599, 14987725, 32972995, 164864975]

約数ペア:

[(1, 164864975), (5, 32972995), (11, 14987725), (25, 6594599), (31, 5318225), (55, 2997545), (83, 1986325), (155, 1063645), (233, 707575), (275, 599509), (341, 483475), (415, 397265), (775, 212729), (913, 180575), (1165, 141515), (1705, 96695), (2075, 79453), (2563, 64325), (2573, 64075), (4565, 36115), (5825, 28303), (7223, 22825), (8525, 19339), (12815, 12865)]