209638128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{623923}}^1$

素因数の和:623941

約数の個数: 40

約数和(自身を含む): 618932608

約数和(自身を除く): 409294480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 623923, 1247846, 1871769, 2495692, 3743538, 4367461, 4991384, 7487076, 8734922, 9982768, 13102383, 14974152, 17469844, 26204766, 29948304, 34939688, 52409532, 69879376, 104819064, 209638128]

約数ペア:

[(1, 209638128), (2, 104819064), (3, 69879376), (4, 52409532), (6, 34939688), (7, 29948304), (8, 26204766), (12, 17469844), (14, 14974152), (16, 13102383), (21, 9982768), (24, 8734922), (28, 7487076), (42, 4991384), (48, 4367461), (56, 3743538), (84, 2495692), (112, 1871769), (168, 1247846), (336, 623923)]