251594378

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{12809}}^1$

素因数の和:12902

約数の個数: 32

約数和(自身を含む): 457470720

約数和(自身を除く): 205876342

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1403, 2806, 9821, 12809, 19642, 25618, 89663, 179326, 294607, 589214, 781349, 1562698, 2062249, 4124498, 5469443, 10938886, 17971027, 35942054, 125797189, 251594378]

約数ペア:

[(1, 251594378), (2, 125797189), (7, 35942054), (14, 17971027), (23, 10938886), (46, 5469443), (61, 4124498), (122, 2062249), (161, 1562698), (322, 781349), (427, 589214), (854, 294607), (1403, 179326), (2806, 89663), (9821, 25618), (12809, 19642)]