51661589

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 66919680

約数和(自身を除く): 15258091

約数列:

[1, 7, 17, 19, 73, 119, 133, 313, 323, 511, 1241, 1387, 2191, 2261, 5321, 5947, 8687, 9709, 22849, 23579, 37247, 41629, 101099, 159943, 165053, 388433, 434131, 707693, 2719031, 3038917, 7380227, 51661589]

約数ペア:

[(1, 51661589), (7, 7380227), (17, 3038917), (19, 2719031), (73, 707693), (119, 434131), (133, 388433), (313, 165053), (323, 159943), (511, 101099), (1241, 41629), (1387, 37247), (2191, 23579), (2261, 22849), (5321, 9709), (5947, 8687)]