257836684889

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{13463}}^1$

素因数の和:13854

約数の個数: 48

約数和(自身を含む): 322586022528

約数和(自身を除く): 64749337639

約数列:

[1, 7, 17, 49, 83, 119, 277, 581, 833, 1411, 1939, 4067, 4709, 9877, 13463, 13573, 22991, 32963, 69139, 94241, 160937, 228871, 230741, 390847, 659687, 1117429, 1126559, 1602097, 2735929, 3729251, 7822003, 11214679, 18996293, 19151503, 26104757, 54754021, 63397267, 132974051, 182733299, 309527833, 443780869, 930818357, 2166694831, 3106466083, 5261973161, 15166863817, 36833812127, 257836684889]

約数ペア:

[(1, 257836684889), (7, 36833812127), (17, 15166863817), (49, 5261973161), (83, 3106466083), (119, 2166694831), (277, 930818357), (581, 443780869), (833, 309527833), (1411, 182733299), (1939, 132974051), (4067, 63397267), (4709, 54754021), (9877, 26104757), (13463, 19151503), (13573, 18996293), (22991, 11214679), (32963, 7822003), (69139, 3729251), (94241, 2735929), (160937, 1602097), (228871, 1126559), (230741, 1117429), (390847, 659687)]