1220396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 2295216

約数和(自身を除く): 1074820

約数列:

[1, 2, 4, 17, 34, 68, 131, 137, 262, 274, 524, 548, 2227, 2329, 4454, 4658, 8908, 9316, 17947, 35894, 71788, 305099, 610198, 1220396]

約数ペア:

[(1, 1220396), (2, 610198), (4, 305099), (17, 71788), (34, 35894), (68, 17947), (131, 9316), (137, 8908), (262, 4658), (274, 4454), (524, 2329), (548, 2227)]