51398620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 137281536

約数和(自身を除く): 85882916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 911, 1085, 1612, 1820, 1822, 2015, 2170, 2821, 3644, 4030, 4340, 4555, 5642, 6377, 8060, 9110, 11284, 11843, 12754, 14105, 18220, 23686, 25508, 28210, 28241, 31885, 47372, 56420, 56482, 59215, 63770, 82901, 112964, 118430, 127540, 141205, 165802, 197687, 236860, 282410, 331604, 367133, 395374, 414505, 564820, 734266, 790748, 829010, 988435, 1468532, 1658020, 1835665, 1976870, 2569931, 3671330, 3953740, 5139862, 7342660, 10279724, 12849655, 25699310, 51398620]

約数ペア:

[(1, 51398620), (2, 25699310), (4, 12849655), (5, 10279724), (7, 7342660), (10, 5139862), (13, 3953740), (14, 3671330), (20, 2569931), (26, 1976870), (28, 1835665), (31, 1658020), (35, 1468532), (52, 988435), (62, 829010), (65, 790748), (70, 734266), (91, 564820), (124, 414505), (130, 395374), (140, 367133), (155, 331604), (182, 282410), (217, 236860), (260, 197687), (310, 165802), (364, 141205), (403, 127540), (434, 118430), (455, 112964), (620, 82901), (806, 63770), (868, 59215), (910, 56482), (911, 56420), (1085, 47372), (1612, 31885), (1820, 28241), (1822, 28210), (2015, 25508), (2170, 23686), (2821, 18220), (3644, 14105), (4030, 12754), (4340, 11843), (4555, 11284), (5642, 9110), (6377, 8060)]