4242505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 5326848

約数和(自身を除く): 1084343

約数列:

[1, 5, 31, 101, 155, 271, 505, 1355, 3131, 8401, 15655, 27371, 42005, 136855, 848501, 4242505]

約数ペア:

[(1, 4242505), (5, 848501), (31, 136855), (101, 42005), (155, 27371), (271, 15655), (505, 8401), (1355, 3131)]