420614

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 16

約数和(自身を含む): 680400

約数和(自身を除く): 259786

約数列:

[1, 2, 17, 34, 89, 139, 178, 278, 1513, 2363, 3026, 4726, 12371, 24742, 210307, 420614]

約数ペア:

[(1, 420614), (2, 210307), (17, 24742), (34, 12371), (89, 4726), (139, 3026), (178, 2363), (278, 1513)]