87777456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 245984256

約数和(自身を除く): 158206800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 163, 208, 312, 326, 489, 624, 652, 863, 978, 1304, 1726, 1956, 2119, 2589, 2608, 3452, 3912, 4238, 5178, 6357, 6904, 7824, 8476, 10356, 11219, 12714, 13808, 16952, 20712, 22438, 25428, 33657, 33904, 41424, 44876, 50856, 67314, 89752, 101712, 134628, 140669, 179504, 269256, 281338, 422007, 538512, 562676, 844014, 1125352, 1688028, 1828697, 2250704, 3376056, 3657394, 5486091, 6752112, 7314788, 10972182, 14629576, 21944364, 29259152, 43888728, 87777456]

約数ペア:

[(1, 87777456), (2, 43888728), (3, 29259152), (4, 21944364), (6, 14629576), (8, 10972182), (12, 7314788), (13, 6752112), (16, 5486091), (24, 3657394), (26, 3376056), (39, 2250704), (48, 1828697), (52, 1688028), (78, 1125352), (104, 844014), (156, 562676), (163, 538512), (208, 422007), (312, 281338), (326, 269256), (489, 179504), (624, 140669), (652, 134628), (863, 101712), (978, 89752), (1304, 67314), (1726, 50856), (1956, 44876), (2119, 41424), (2589, 33904), (2608, 33657), (3452, 25428), (3912, 22438), (4238, 20712), (5178, 16952), (6357, 13808), (6904, 12714), (7824, 11219), (8476, 10356)]