79990988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13669}}^1$

素因数の和:13710

約数の個数: 48

約数和(自身を含む): 183724800

約数和(自身を除く): 103733812

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 13669, 27338, 54676, 95683, 150359, 191366, 259711, 300718, 382732, 519422, 601436, 1038844, 1052513, 1817977, 2105026, 2856821, 3635954, 4210052, 5713642, 7271908, 11427284, 19997747, 39995494, 79990988]

約数ペア:

[(1, 79990988), (2, 39995494), (4, 19997747), (7, 11427284), (11, 7271908), (14, 5713642), (19, 4210052), (22, 3635954), (28, 2856821), (38, 2105026), (44, 1817977), (76, 1052513), (77, 1038844), (133, 601436), (154, 519422), (209, 382732), (266, 300718), (308, 259711), (418, 191366), (532, 150359), (836, 95683), (1463, 54676), (2926, 27338), (5852, 13669)]