2131645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 2700720

約数和(自身を除く): 569075

約数列:

[1, 5, 29, 61, 145, 241, 305, 1205, 1769, 6989, 8845, 14701, 34945, 73505, 426329, 2131645]

約数ペア:

[(1, 2131645), (5, 426329), (29, 73505), (61, 34945), (145, 14701), (241, 8845), (305, 6989), (1205, 1769)]