129676912

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{15923}}^1$

素因数の和:16440

約数の個数: 20

約数和(自身を含む): 251758440

約数和(自身を除く): 122081528

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 15923, 31846, 63692, 127384, 254768, 8104807, 16209614, 32419228, 64838456, 129676912]

約数ペア:

[(1, 129676912), (2, 64838456), (4, 32419228), (8, 16209614), (16, 8104807), (509, 254768), (1018, 127384), (2036, 63692), (4072, 31846), (8144, 15923)]