128437638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{8663}}^1$

素因数の和:9028

約数の個数: 32

約数和(自身を含む): 294437376

約数和(自身を除く): 165999738

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 353, 706, 1059, 2118, 2471, 4942, 7413, 8663, 14826, 17326, 25989, 51978, 60641, 121282, 181923, 363846, 3058039, 6116078, 9174117, 18348234, 21406273, 42812546, 64218819, 128437638]

約数ペア:

[(1, 128437638), (2, 64218819), (3, 42812546), (6, 21406273), (7, 18348234), (14, 9174117), (21, 6116078), (42, 3058039), (353, 363846), (706, 181923), (1059, 121282), (2118, 60641), (2471, 51978), (4942, 25989), (7413, 17326), (8663, 14826)]