2155891807

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{12203}}^1$

素因数の和:12414

約数の個数: 16

約数和(自身を含む): 2296304640

約数和(自身を除く): 140412833

約数列:

[1, 31, 41, 139, 1271, 4309, 5699, 12203, 176669, 378293, 500323, 1696217, 15510013, 52582727, 69544897, 2155891807]

約数ペア:

[(1, 2155891807), (31, 69544897), (41, 52582727), (139, 15510013), (1271, 1696217), (4309, 500323), (5699, 378293), (12203, 176669)]