220480921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1297}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 242985600

約数和(自身を除く): 22504679

約数列:

[1, 19, 23, 389, 437, 1297, 7391, 8947, 24643, 29831, 169993, 504533, 566789, 9586127, 11604259, 220480921]

約数ペア:

[(1, 220480921), (19, 11604259), (23, 9586127), (389, 566789), (437, 504533), (1297, 169993), (7391, 29831), (8947, 24643)]