20171427815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 31024401408

約数和(自身を除く): 10852973593

約数列:

[1, 5, 7, 11, 35, 55, 77, 103, 121, 131, 353, 385, 515, 605, 655, 721, 847, 917, 1133, 1441, 1765, 2471, 3605, 3883, 4235, 4585, 5665, 7205, 7931, 10087, 12355, 12463, 13493, 15851, 19415, 27181, 36359, 39655, 42713, 46243, 50435, 62315, 67465, 79255, 87241, 94451, 110957, 135905, 148423, 181795, 213565, 231215, 254513, 298991, 323701, 399949, 436205, 472255, 508673, 554785, 742115, 1038961, 1272565, 1494955, 1618505, 1632653, 1999745, 2543365, 2799643, 3560711, 4399439, 4763029, 5194805, 5595403, 8163265, 11428571, 13998215, 17803555, 21997195, 23815145, 27977015, 30796073, 33341203, 39167821, 52393319, 57142855, 153980365, 166706015, 195839105, 261966595, 366753233, 576326509, 1833766165, 2881632545, 4034285563, 20171427815]

約数ペア:

[(1, 20171427815), (5, 4034285563), (7, 2881632545), (11, 1833766165), (35, 576326509), (55, 366753233), (77, 261966595), (103, 195839105), (121, 166706015), (131, 153980365), (353, 57142855), (385, 52393319), (515, 39167821), (605, 33341203), (655, 30796073), (721, 27977015), (847, 23815145), (917, 21997195), (1133, 17803555), (1441, 13998215), (1765, 11428571), (2471, 8163265), (3605, 5595403), (3883, 5194805), (4235, 4763029), (4585, 4399439), (5665, 3560711), (7205, 2799643), (7931, 2543365), (10087, 1999745), (12355, 1632653), (12463, 1618505), (13493, 1494955), (15851, 1272565), (19415, 1038961), (27181, 742115), (36359, 554785), (39655, 508673), (42713, 472255), (46243, 436205), (50435, 399949), (62315, 323701), (67465, 298991), (79255, 254513), (87241, 231215), (94451, 213565), (110957, 181795), (135905, 148423)]