1291295248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{65033}}^1$

素因数の和:65131

約数の個数: 40

約数和(自身を含む): 2685383928

約数和(自身を除く): 1394088680

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1168, 1241, 2482, 4964, 9928, 19856, 65033, 130066, 260132, 520264, 1040528, 1105561, 2211122, 4422244, 4747409, 8844488, 9494818, 17688976, 18989636, 37979272, 75958544, 80705953, 161411906, 322823812, 645647624, 1291295248]

約数ペア:

[(1, 1291295248), (2, 645647624), (4, 322823812), (8, 161411906), (16, 80705953), (17, 75958544), (34, 37979272), (68, 18989636), (73, 17688976), (136, 9494818), (146, 8844488), (272, 4747409), (292, 4422244), (584, 2211122), (1168, 1105561), (1241, 1040528), (2482, 520264), (4964, 260132), (9928, 130066), (19856, 65033)]