218071256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{39563}}^1$

素因数の和:39635

約数の個数: 32

約数和(自身を含む): 448655760

約数和(自身を除く): 230584504

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 39563, 79126, 158252, 316504, 514319, 1028638, 2057276, 2096839, 4114552, 4193678, 8387356, 16774712, 27258907, 54517814, 109035628, 218071256]

約数ペア:

[(1, 218071256), (2, 109035628), (4, 54517814), (8, 27258907), (13, 16774712), (26, 8387356), (52, 4193678), (53, 4114552), (104, 2096839), (106, 2057276), (212, 1028638), (424, 514319), (689, 316504), (1378, 158252), (2756, 79126), (5512, 39563)]