218998512

素因数分解:

$2^4\times 3^3\times {\mathrm{506941}}^1$

素因数の和:506958

約数の個数: 40

約数和(自身を含む): 628608080

約数和(自身を除く): 409609568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 506941, 1013882, 1520823, 2027764, 3041646, 4055528, 4562469, 6083292, 8111056, 9124938, 12166584, 13687407, 18249876, 24333168, 27374814, 36499752, 54749628, 72999504, 109499256, 218998512]

約数ペア:

[(1, 218998512), (2, 109499256), (3, 72999504), (4, 54749628), (6, 36499752), (8, 27374814), (9, 24333168), (12, 18249876), (16, 13687407), (18, 12166584), (24, 9124938), (27, 8111056), (36, 6083292), (48, 4562469), (54, 4055528), (72, 3041646), (108, 2027764), (144, 1520823), (216, 1013882), (432, 506941)]