17680712

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 38147520

約数和(自身を除く): 20466808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2011, 2198, 4022, 4396, 8044, 8792, 14077, 16088, 28154, 56308, 112616, 315727, 631454, 1262908, 2210089, 2525816, 4420178, 8840356, 17680712]

約数ペア:

[(1, 17680712), (2, 8840356), (4, 4420178), (7, 2525816), (8, 2210089), (14, 1262908), (28, 631454), (56, 315727), (157, 112616), (314, 56308), (628, 28154), (1099, 16088), (1256, 14077), (2011, 8792), (2198, 8044), (4022, 4396)]