28193285

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4019}}^1$

素因数の和:4108

約数の個数: 16

約数和(自身を含む): 35890560

約数和(自身を除く): 7697275

約数列:

[1, 5, 23, 61, 115, 305, 1403, 4019, 7015, 20095, 92437, 245159, 462185, 1225795, 5638657, 28193285]

約数ペア:

[(1, 28193285), (5, 5638657), (23, 1225795), (61, 462185), (115, 245159), (305, 92437), (1403, 20095), (4019, 7015)]