81419772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138469}}^1$

素因数の和:138490

約数の個数: 36

約数和(自身を含む): 220998120

約数和(自身を除く): 139578348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138469, 276938, 415407, 553876, 830814, 969283, 1661628, 1938566, 2907849, 3877132, 5815698, 6784981, 11631396, 13569962, 20354943, 27139924, 40709886, 81419772]

約数ペア:

[(1, 81419772), (2, 40709886), (3, 27139924), (4, 20354943), (6, 13569962), (7, 11631396), (12, 6784981), (14, 5815698), (21, 3877132), (28, 2907849), (42, 1938566), (49, 1661628), (84, 969283), (98, 830814), (147, 553876), (196, 415407), (294, 276938), (588, 138469)]