78947316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 243419904

約数和(自身を除く): 164472588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 53, 63, 69, 84, 92, 106, 126, 138, 159, 161, 207, 212, 252, 257, 276, 318, 322, 371, 414, 477, 483, 514, 636, 644, 742, 771, 828, 954, 966, 1028, 1113, 1219, 1449, 1484, 1542, 1799, 1908, 1932, 2226, 2313, 2438, 2898, 3084, 3339, 3598, 3657, 4452, 4626, 4876, 5397, 5796, 5911, 6678, 7196, 7314, 8533, 9252, 10794, 10971, 11822, 13356, 13621, 14628, 16191, 17066, 17733, 21588, 21942, 23644, 25599, 27242, 32382, 34132, 35466, 40863, 41377, 43884, 51198, 53199, 54484, 64764, 70932, 76797, 81726, 82754, 95347, 102396, 106398, 122589, 124131, 153594, 163452, 165508, 190694, 212796, 245178, 248262, 286041, 307188, 313283, 372393, 381388, 490356, 496524, 572082, 626566, 744786, 858123, 939849, 1144164, 1253132, 1489572, 1716246, 1879698, 2192981, 2819547, 3432492, 3759396, 4385962, 5639094, 6578943, 8771924, 11278188, 13157886, 19736829, 26315772, 39473658, 78947316]

約数ペア:

[(1, 78947316), (2, 39473658), (3, 26315772), (4, 19736829), (6, 13157886), (7, 11278188), (9, 8771924), (12, 6578943), (14, 5639094), (18, 4385962), (21, 3759396), (23, 3432492), (28, 2819547), (36, 2192981), (42, 1879698), (46, 1716246), (53, 1489572), (63, 1253132), (69, 1144164), (84, 939849), (92, 858123), (106, 744786), (126, 626566), (138, 572082), (159, 496524), (161, 490356), (207, 381388), (212, 372393), (252, 313283), (257, 307188), (276, 286041), (318, 248262), (322, 245178), (371, 212796), (414, 190694), (477, 165508), (483, 163452), (514, 153594), (636, 124131), (644, 122589), (742, 106398), (771, 102396), (828, 95347), (954, 82754), (966, 81726), (1028, 76797), (1113, 70932), (1219, 64764), (1449, 54484), (1484, 53199), (1542, 51198), (1799, 43884), (1908, 41377), (1932, 40863), (2226, 35466), (2313, 34132), (2438, 32382), (2898, 27242), (3084, 25599), (3339, 23644), (3598, 21942), (3657, 21588), (4452, 17733), (4626, 17066), (4876, 16191), (5397, 14628), (5796, 13621), (5911, 13356), (6678, 11822), (7196, 10971), (7314, 10794), (8533, 9252)]