81778452

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139079}}^1$

素因数の和:139100

約数の個数: 36

約数和(自身を含む): 221971680

約数和(自身を除く): 140193228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 139079, 278158, 417237, 556316, 834474, 973553, 1668948, 1947106, 2920659, 3894212, 5841318, 6814871, 11682636, 13629742, 20444613, 27259484, 40889226, 81778452]

約数ペア:

[(1, 81778452), (2, 40889226), (3, 27259484), (4, 20444613), (6, 13629742), (7, 11682636), (12, 6814871), (14, 5841318), (21, 3894212), (28, 2920659), (42, 1947106), (49, 1668948), (84, 973553), (98, 834474), (147, 556316), (196, 417237), (294, 278158), (588, 139079)]