644080168

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{20809}}^1$

素因数の和:20941

約数の個数: 32

約数和(自身を含む): 1247351400

約数和(自身を除く): 603271232

約数列:

[1, 2, 4, 8, 53, 73, 106, 146, 212, 292, 424, 584, 3869, 7738, 15476, 20809, 30952, 41618, 83236, 166472, 1102877, 1519057, 2205754, 3038114, 4411508, 6076228, 8823016, 12152456, 80510021, 161020042, 322040084, 644080168]

約数ペア:

[(1, 644080168), (2, 322040084), (4, 161020042), (8, 80510021), (53, 12152456), (73, 8823016), (106, 6076228), (146, 4411508), (212, 3038114), (292, 2205754), (424, 1519057), (584, 1102877), (3869, 166472), (7738, 83236), (15476, 41618), (20809, 30952)]