81408012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138449}}^1$

素因数の和:138470

約数の個数: 36

約数和(自身を含む): 220966200

約数和(自身を除く): 139558188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138449, 276898, 415347, 553796, 830694, 969143, 1661388, 1938286, 2907429, 3876572, 5814858, 6784001, 11629716, 13568002, 20352003, 27136004, 40704006, 81408012]

約数ペア:

[(1, 81408012), (2, 40704006), (3, 27136004), (4, 20352003), (6, 13568002), (7, 11629716), (12, 6784001), (14, 5814858), (21, 3876572), (28, 2907429), (42, 1938286), (49, 1661388), (84, 969143), (98, 830694), (147, 553796), (196, 415347), (294, 276898), (588, 138449)]