128261028

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{218131}}^1$

素因数の和:218152

約数の個数: 36

約数和(自身を含む): 348138672

約数和(自身を除く): 219877644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 218131, 436262, 654393, 872524, 1308786, 1526917, 2617572, 3053834, 4580751, 6107668, 9161502, 10688419, 18323004, 21376838, 32065257, 42753676, 64130514, 128261028]

約数ペア:

[(1, 128261028), (2, 64130514), (3, 42753676), (4, 32065257), (6, 21376838), (7, 18323004), (12, 10688419), (14, 9161502), (21, 6107668), (28, 4580751), (42, 3053834), (49, 2617572), (84, 1526917), (98, 1308786), (147, 872524), (196, 654393), (294, 436262), (588, 218131)]