77728981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 18071339

約数列:

[1, 11, 17, 19, 131, 167, 187, 209, 323, 1441, 1837, 2227, 2489, 2839, 3173, 3553, 21877, 24497, 27379, 31229, 34903, 42313, 53941, 240647, 371909, 415663, 465443, 593351, 4090999, 4572293, 7066271, 77728981]

約数ペア:

[(1, 77728981), (11, 7066271), (17, 4572293), (19, 4090999), (131, 593351), (167, 465443), (187, 415663), (209, 371909), (323, 240647), (1441, 53941), (1837, 42313), (2227, 34903), (2489, 31229), (2839, 27379), (3173, 24497), (3553, 21877)]