256259826

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4547}}^1$

素因数の和:4687

約数の個数: 48

約数和(自身を含む): 578942208

約数和(自身を除く): 322682382

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 101, 186, 202, 279, 303, 558, 606, 909, 1818, 3131, 4547, 6262, 9094, 9393, 13641, 18786, 27282, 28179, 40923, 56358, 81846, 140957, 281914, 422871, 459247, 845742, 918494, 1268613, 1377741, 2537226, 2755482, 4133223, 8266446, 14236657, 28473314, 42709971, 85419942, 128129913, 256259826]

約数ペア:

[(1, 256259826), (2, 128129913), (3, 85419942), (6, 42709971), (9, 28473314), (18, 14236657), (31, 8266446), (62, 4133223), (93, 2755482), (101, 2537226), (186, 1377741), (202, 1268613), (279, 918494), (303, 845742), (558, 459247), (606, 422871), (909, 281914), (1818, 140957), (3131, 81846), (4547, 56358), (6262, 40923), (9094, 28179), (9393, 27282), (13641, 18786)]