257681632

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1979}}^1$

素因数の和:2315

約数の個数: 48

約数和(自身を含む): 548357040

約数和(自身を除く): 290675408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 313, 416, 626, 1252, 1979, 2504, 3958, 4069, 5008, 7916, 8138, 10016, 15832, 16276, 25727, 31664, 32552, 51454, 63328, 65104, 102908, 130208, 205816, 411632, 619427, 823264, 1238854, 2477708, 4955416, 8052551, 9910832, 16105102, 19821664, 32210204, 64420408, 128840816, 257681632]

約数ペア:

[(1, 257681632), (2, 128840816), (4, 64420408), (8, 32210204), (13, 19821664), (16, 16105102), (26, 9910832), (32, 8052551), (52, 4955416), (104, 2477708), (208, 1238854), (313, 823264), (416, 619427), (626, 411632), (1252, 205816), (1979, 130208), (2504, 102908), (3958, 65104), (4069, 63328), (5008, 51454), (7916, 32552), (8138, 31664), (10016, 25727), (15832, 16276)]