397051417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{12491}}^1$

素因数の和:12756

約数の個数: 16

約数和(自身を含む): 479692800

約数和(自身を除く): 82641383

約数列:

[1, 7, 19, 133, 239, 1673, 4541, 12491, 31787, 87437, 237329, 1661303, 2985349, 20897443, 56721631, 397051417]

約数ペア:

[(1, 397051417), (7, 56721631), (19, 20897443), (133, 2985349), (239, 1661303), (1673, 237329), (4541, 87437), (12491, 31787)]