31509136

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 63176760

約数和(自身を除く): 31667624

約数列:

[1, 2, 4, 8, 16, 53, 73, 106, 146, 212, 292, 424, 509, 584, 848, 1018, 1168, 2036, 3869, 4072, 7738, 8144, 15476, 26977, 30952, 37157, 53954, 61904, 74314, 107908, 148628, 215816, 297256, 431632, 594512, 1969321, 3938642, 7877284, 15754568, 31509136]

約数ペア:

[(1, 31509136), (2, 15754568), (4, 7877284), (8, 3938642), (16, 1969321), (53, 594512), (73, 431632), (106, 297256), (146, 215816), (212, 148628), (292, 107908), (424, 74314), (509, 61904), (584, 53954), (848, 37157), (1018, 30952), (1168, 26977), (2036, 15476), (3869, 8144), (4072, 7738)]