12889916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{509}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 24390240

約数和(自身を除く): 11500324

約数列:

[1, 2, 4, 13, 26, 52, 487, 509, 974, 1018, 1948, 2036, 6331, 6617, 12662, 13234, 25324, 26468, 247883, 495766, 991532, 3222479, 6444958, 12889916]

約数ペア:

[(1, 12889916), (2, 6444958), (4, 3222479), (13, 991532), (26, 495766), (52, 247883), (487, 26468), (509, 25324), (974, 13234), (1018, 12662), (1948, 6617), (2036, 6331)]