138869185

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 212587200

約数和(自身を除く): 73718015

約数列:

[1, 5, 7, 13, 35, 49, 59, 65, 91, 245, 295, 413, 455, 637, 739, 767, 2065, 2891, 3185, 3695, 3835, 5173, 5369, 9607, 14455, 25865, 26845, 36211, 37583, 43601, 48035, 67249, 181055, 187915, 218005, 305207, 336245, 470743, 566813, 1526035, 2136449, 2353715, 2834065, 3967691, 10682245, 19838455, 27773837, 138869185]

約数ペア:

[(1, 138869185), (5, 27773837), (7, 19838455), (13, 10682245), (35, 3967691), (49, 2834065), (59, 2353715), (65, 2136449), (91, 1526035), (245, 566813), (295, 470743), (413, 336245), (455, 305207), (637, 218005), (739, 187915), (767, 181055), (2065, 67249), (2891, 48035), (3185, 43601), (3695, 37583), (3835, 36211), (5173, 26845), (5369, 25865), (9607, 14455)]