81407866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{17477}}^1$

素因数の和:17633

約数の個数: 16

約数和(自身を含む): 130246056

約数和(自身を除く): 48838190

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 17477, 34954, 297109, 594218, 2394349, 4788698, 40703933, 81407866]

約数ペア:

[(1, 81407866), (2, 40703933), (17, 4788698), (34, 2394349), (137, 594218), (274, 297109), (2329, 34954), (4658, 17477)]