989725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 1383840

約数和(自身を除く): 394115

約数列:

[1, 5, 11, 25, 55, 59, 61, 275, 295, 305, 649, 671, 1475, 1525, 3245, 3355, 3599, 16225, 16775, 17995, 39589, 89975, 197945, 989725]

約数ペア:

[(1, 989725), (5, 197945), (11, 89975), (25, 39589), (55, 17995), (59, 16775), (61, 16225), (275, 3599), (295, 3355), (305, 3245), (649, 1525), (671, 1475)]